RBSE Solutions Class 11 Economics Chapter 4 Meaning and Definition of Statistics

RBSE Class 11 Economics Chapter 4 Textbook Questions

RBSE Class 11 Economics Chapter 4 Multiple Choice Questions

Question 1. In plural form, Statistics refers to :
(a) Statistical Science
(b) Data
(c) Statistical measures
(d) All of the options
Answer: (b) Data
In simple words: When we talk about "statistics" in its common, everyday sense (plural), it generally means facts or information, especially numerical ones. So, it refers to data.

🎯 Exam Tip: Remember the two meanings of statistics: in plural, it refers to data; in singular, it refers to the science of collecting and analyzing data.

Question 2. Statistics is :
(c) A science of interpretation and analysis of data
Answer: (c) A science of interpretation and analysis of data
In simple words: Statistics is a field of study that helps us understand things by looking at information, explaining what it means, and breaking it down.

🎯 Exam Tip: When defining statistics as a science, focus on its core functions: collecting, interpreting, and analyzing numerical facts.

Question 3. "Statistics is a science of counting or possibility”. This definition has been given by:
(a) Bowley
(b) Crowden
(c) John Griffin
(d) Pearson
Answer: (a) Bowley
In simple words: The idea that statistics is mainly about counting things or figuring out chances was put forward by Bowley.

🎯 Exam Tip: For definitions by specific economists, remember the key phrase associated with each person. Bowley is linked to "counting or possibility."

RBSE Class 11 Economics Chapter 4 Very Short Answer Type Questions

Question 1. Write down the meaning of statistics.
Answer: Statistics refers to numbers that have a special meaning or tell us something useful. They are not just random figures but organized facts.
In simple words: Statistics are numbers that make sense and give us information.

🎯 Exam Tip: When asked for the meaning, clarify that statistics are not just numbers, but numbers that carry significance or provide insights.

Question 2. Write the meaning of statistics in plural form.
Answer: In its plural form, statistics means a collection of numerical facts or information. These facts can be used to understand things and make conclusions about a topic.
In simple words: In simple terms, statistics (plural) means a collection of numbers or facts that help us understand something.

🎯 Exam Tip: Distinguish clearly between the plural (data/facts) and singular (science/method) meanings of statistics.

Question 3. Write down the meaning of data.
Answer: Data is a record of facts, observations, or things. These can be in the form of numbers or simply descriptions.
In simple words: Data is any information or facts, whether numbers or words, about something.

🎯 Exam Tip: Define data broadly to include both numerical and non-numerical observations, emphasizing that it's raw information.

Question 4. Mention any two limitations of statistics.
Answer: Here are two limitations of statistics:
1. Statistics only studies facts that can be measured with numbers. It does not look at things that are about quality, like health or intelligence.
2. Statistical rules are usually true only on average and over a long time. They do not always apply perfectly in every situation or to every single thing, unlike rules in physics.
In simple words: Statistics only works with numbers and often gives general, not always exact, truths.

🎯 Exam Tip: Focus on statistics dealing only with quantitative aspects and its results being probabilistic or average, not absolute for individuals.

Question 5. In which areas is applied statistics used?
Answer: Applied statistics is used in many fields such as economics, business, social sciences, biology, and psychology. It helps in understanding and solving problems in these areas.
In simple words: Applied statistics is used in many subjects like business, science, and understanding people.

🎯 Exam Tip: List a diverse range of fields to show the broad applicability of statistics in practical scenarios.

Question 6. Who is regarded as the Father of Statistics?
Answer: Gottfried Achenwall is considered the Father of Statistics. He played an important role in developing the field.
In simple words: Gottfried Achenwall is known as the creator of statistics.

🎯 Exam Tip: Remember the name Gottfried Achenwall for his contribution to the development of statistics.

Question 7. Define statistics in singular form.
Answer: In its singular form, statistics is the science that teaches us how to collect, sort, show, compare, and explain numerical information. This helps to shed light on any area of study or investigation.
In simple words: Statistics (singular) is the study of how to gather, arrange, present, and understand numerical information to learn new things.

🎯 Exam Tip: Emphasize the systematic process (collecting, classifying, etc.) when defining statistics in the singular sense.

RBSE Class 11 Economics Chapter 4 Short Answer Type Questions

Question 1. What do you mean by statistics?
Answer: The word "statistics" is used in two main ways:
1. Singular: In this sense, statistics refers to the science of dealing with numerical data, like a statistical science.
2. Plural: In this sense, statistics refers to numerical facts or data itself.
Statistics as a science involves methods to gather, categorize, show, compare, and explain data to understand a topic better.
In simple words: Statistics can mean either the actual numbers (data) or the scientific way of working with those numbers to find answers.

🎯 Exam Tip: Always explain both the singular and plural meanings of statistics and briefly describe the scientific process involved.

Question 2. Describe the scope of statistics in brief.
Answer: In the past, the use of statistics was very small. It started as a tool for rulers. But today, statistics is used in almost every field of science. While it used to be only for state affairs and planning, now it helps in areas like farming, biology, business, money matters, education, and health. It is safe to say that science needs statistics, and statistics needs science.
In simple words: Statistics used to be small, but now it's used everywhere, from science to business, to help us plan and understand things.

🎯 Exam Tip: Highlight the historical expansion of statistics from a limited use to a very broad application across all sciences and practical fields.

Question 3. Explain the various statistical methods?
Answer: Statistical methods help gather information and present it clearly so it can be compared and understood. This helps in making correct conclusions. These methods include:
- Collecting data
- Sorting data into groups
- Arranging data in tables
- Showing data using graphs or charts
- Analyzing data to find patterns
- Interpreting what the data means
- Predicting future trends
These steps follow a set pattern to ensure good results.
In simple words: Statistical methods are steps like collecting, sorting, showing, and understanding data to reach good conclusions and make predictions.

🎯 Exam Tip: When listing statistical methods, ensure you include the key stages: compilation, classification, tabulation, presentation, analysis, interpretation, and prediction.

Question 4. Describe any two limitations of statistics.
Answer: Here are two limitations of statistics:

• Study of numerical facts only: Statistics focuses only on facts that can be measured with numbers. It does not study things that are about quality, such as a person's health, intelligence, or poverty levels. Only facts that can be put into numbers (like age, height, price) are analyzed.
• Statistical principles are average truths, not always exact: The rules of statistics are generally true for groups and over a long time, not for every single case. They are not as precise as the fixed rules in subjects like physics or chemistry. They apply more as an average pattern and for a longer period.

🎯 Exam Tip: Remember that statistics cannot analyze qualitative data directly, and its conclusions are often probabilistic and apply to aggregates rather than individuals.

Question 5. Explain the relation of statistics with economics in brief.
Answer: Statistics and economics are closely linked. The basic facts and figures (data) used in economics come from statistics. Statistics is very important for understanding both economic theories and how economics works in real life. Even the methods used to check economic ideas rely on statistics. For example, understanding how population grows or how money values change is possible because of statistics.
In simple words: Statistics is very important for economics because it provides the numbers and methods to understand economic ideas and problems.

🎯 Exam Tip: Highlight that statistical data forms the foundation for economic theories and is essential for both theoretical and practical economic analysis.

Question 1. Give the meaning of statistics and describe its scope.
Answer: The word 'statistics' comes from the English word 'state'. In other languages, like Latin (status), Roman (stato), German (statistic), and Italian (statista), it also means 'state'. This shows that statistics has always been closely related to governing a state. In India, we find uses of statistics in ancient books like Kautilya's Arthashastra.

In English, 'statistics' is used in two ways: it can mean information or data itself, and it can also mean the methods used to gather, analyze, and understand quantitative details. The second use covers all the tools and theories for processing numerical information.

Scope of Statistics:
In ancient times, statistics was very limited and was mainly used for kings and state affairs. But now, its use has grown a lot. Statistical methods are used in almost every science. While it used to focus only on state matters for planning, its reach now includes farming, biology, business, chemistry, communication, economics, education, medicine, psychology, and sociology. It's fair to say that no science is complete without statistics, and statistics needs science.

The subject of statistics is generally divided into two main parts:
I. Statistical Methods:
This involves collecting data and presenting it in a way that makes it easy to compare and understand, helping to reach correct conclusions. The tasks included in statistical methods are:

• Collection of data: This is about deciding how, where, and to what extent data should be gathered for research.
• Classification of data: This means organizing data into different groups (like age, weight, or place) to make it easier to compare and understand.
• Analysis: This involves using different statistical tools, such as finding averages or looking for relationships, to study the data.
• Interpretation: This is about understanding what the analysis means and figuring out if different facts are connected to each other.
• Forecasting: Based on looking at past and present data, predictions about the future are made.

🎯 Exam Tip: For a comprehensive answer, define statistics by its etymology and dual meanings, then describe its historical expansion and the key stages of statistical methodology.

Question 2. Explain statistics in brief. Describe its relation with economies.
Answer: The word 'statistics' comes from the English word 'state'. It also has roots in Latin (status), Roman (stato), German (statistic), and Italian (statista), all meaning 'state'. This shows how closely statistics has always been connected to governing a state. In the past, it was used by powerful people for management.

Relationship between Statistics and Economics:
Statistics and economics are very closely linked. The basic statistical facts are at the heart of many economic theories and principles. Professor Marshall once said that statistical data is like the building blocks (bricks) that economists use. Statistics is extremely important for both the theory and practical application of economics. The way economic principles are tested and understood relies heavily on statistics. For example, studies on population, money supply, and wealth distribution are all possible because of statistical methods. Also, in applied economics, statistical data is vital for creating national development plans and checking how well they are doing. Graphs and pictures are often used to show the success of these programs.
In simple words: Statistics, a term from 'state', is essential for economics. It provides the data and tools to build and test economic theories, understand economic problems, and track progress.

🎯 Exam Tip: When discussing the relation with economics, emphasize how statistics provides foundational data, validates theories, and aids in policy-making and evaluation.

Question 3. Define statistics. Describe the limitations of statistics.
Answer: There are many definitions of statistics. In 1869, Quetelet collected 180 different definitions. John Griffin noted that it is not easy to define statistics perfectly, and there is still no single, universally accepted definition today.

Here are some definitions:
- According to Bowley: "Statistics is the science of counting." He also said that, in its proper form, statistics can be called "the science of proposition."
- According to Boddinglon: "Statistics is the science of researches and probabilities."
- According to Seligman: "Statistics is the science which deals with the methods of collecting, classifying, presenting, comparing and interpreting numerical data collected to throw some light on any sphere of enquiry.” This is seen as a broad and complete definition in the field of statistics.

Limitations of statistics are explained below:

• Study of numerical facts only: Statistics focuses only on facts that can be measured with numbers. It does not study things that are about quality, such as a person's health, intelligence, or poverty levels. Only facts that can be put into numbers (like age, height, price, wages, production) are analyzed.
• Study of groups and not of individual units: Statistics looks at general characteristics of groups, not individual details. For example, it might study the average income of a country, which tells us about the group, but not about the income of a specific poor person or a rich person.
• Not the only method for studying problems: Statistical methods are not the only way to solve problems. We should not assume that statistics can perfectly solve every problem. The conclusions from statistics are reliable only when they are also supported by other methods, like logical reasoning or other related facts.
• Conclusions can be misleading: Statistical conclusions can sometimes be misunderstood or lead to wrong ideas if we don't consider the full situation or context. To interpret them correctly, we need to understand the background.
• Statistical principles are average truths, not always exact: The rules of statistics are generally true for groups and over a long time, not for every single case. They are not as precise as the fixed rules in subjects like physics, chemistry, or astronomy. They apply more as an average pattern and for a longer period.
• Only experts should use it: Only people who have a good understanding of statistical methods should collect, analyze, and interpret data. Those without proper knowledge might draw incorrect conclusions or fail to get any meaning from the data.

🎯 Exam Tip: When defining statistics, cite at least one key scholar. For limitations, focus on the inherent constraints like qualitative data exclusion, group study, and the need for expert interpretation.

Question 4. Define statistics. Describe the role of statistics in economics.
Answer: There are several definitions of statistics. In 1869, Quetelet listed 180 definitions. Professor Bouly once said that no economics student can fully understand the subject without knowing statistics. He noted that if you can measure and express what you are talking about in numbers, you truly know something about it. But if you cannot, your knowledge is weak.

Role of Statistics in Economics:
Statistics and economics are closely connected. Statistical data is the basis for many economic theories and principles. Statistics has proven very important for both the academic study and practical application of economics. The way economic principles are tested and confirmed relies on statistics. For example, developing theories about population growth, measuring currency values, and understanding how things are distributed would not be possible without statistics and statistical methods. In real-world economics, statistical data is crucial for creating national development plans and checking their success. Visual tools like pictures and graphs are used to show the achievements of these programs.
In simple words: Statistics helps economists deeply understand and measure economic ideas and problems. It provides the data and tools to create theories, make plans, and see how well economic programs work.

🎯 Exam Tip: To describe the role of statistics in economics, highlight its importance in theory formulation, policy evaluation, and making quantitative analyses possible.

RBSE Class 11 Economics Chapter 4 Other Important Questions

RBSE Class 11 Economics Chapter 4 Objective Type Questions

Question 1. In Italian language, 'statistics' is called
(a) STATISTICS
(b) STATISTIC
(c) STATISTA
(d) All of the options
Answer: (c) STATISTA
In simple words: In Italian, the word for statistics is 'statista'.

🎯 Exam Tip: Pay attention to the specific terms used for 'statistics' in different languages, especially in relation to its origins.

Question 2. The word 'Statistics' was first used in
Answer: The word 'Statistics' was first used in 1749.
In simple words: The term 'Statistics' was first used in the year 1749.

🎯 Exam Tip: Remember key historical dates associated with important concepts like the first use of the term 'statistics'.

Question 3. Into how many parts is the subject matter of statistics divided?
(a) Three
(b) Two
(c) Four
(d) Five
Answer: (b) Two
In simple words: The study of statistics is typically divided into two main parts.

🎯 Exam Tip: Recall that the subject matter of statistics is fundamentally categorized into two primary divisions.

Question 4. "Statistics is a science of estimates and possibilities". This definition is given by
(a) Bouley
(b) Seligman
(c) Boddinglon
(d) Spearman
Answer: (c) Boddinglon
In simple words: Boddinglon described statistics as a field focused on making estimates and looking at possibilities.

🎯 Exam Tip: Associate specific definitions with the scholars who proposed them; Boddinglon's definition emphasizes estimates and probabilities.

Question 5. Classified numerical data are written' in rows and columns in
(a) Presentation
(b) Tabulation
(c) Interpretation
(d) Classification of data
Answer: (b) Tabulation
In simple words: Arranging sorted numbers into tables with rows and columns is called tabulation.

🎯 Exam Tip: Tabulation is the process of organizing data into a structured format of rows and columns, making it easy to read and analyze.

Question 6. How many parts of applied statistics are there
(a) Two
Answer: (a) Two
In simple words: Applied statistics has two main divisions or parts.

🎯 Exam Tip: Remember the primary breakdown of applied statistics into its two fundamental components.

RBSE Class 11 Economics Chapter 4 Very Short Answer Type Questions

Question 1. The word 'statistics' is derived from which word of the English language?
Answer: The word 'Statistics' comes from the English word 'State'.
In simple words: 'Statistics' comes from the English word 'State'.

🎯 Exam Tip: Know the origin of the word 'statistics' to understand its historical connection to governance.

Question 2. What is 'state' called in the Latin language?
Answer: In Latin, 'state' is called 'Status'.
In simple words: The Latin word for 'state' is 'Status'.

🎯 Exam Tip: Be familiar with the etymological roots of 'statistics' in different languages, such as 'Status' in Latin.

Question 3. What is the 'state' called in the German language?
Answer: In German, 'state' is called 'Statistik'.
In simple words: The German word for 'state' is 'Statistik'.

🎯 Exam Tip: Remember the German term 'Statistik' as another linguistic origin of the word 'statistics'.

Question 4. Statistics has a close relationship with whom?
Answer: Statistics has a close relationship with the 'state'.
In simple words: Statistics is strongly connected to the 'state' or government.

🎯 Exam Tip: Highlight the historical link between statistics and the administration of a state or country.

Question 5. In which ancient book of India, the use of Statistics is found?
Answer: The use of statistics is found in Kautilya's 'Arthashastra', an ancient Indian book.
In simple words: Kautilya's 'Arthashastra' is an ancient Indian book that shows uses of statistics.

🎯 Exam Tip: Note that statistical practices have ancient roots, with examples found in historical texts like the Arthashastra.

Question 6. Founder of statistics was the resident of which country?
Answer: The founder of statistics was a resident of Germany.
In simple words: The person who started statistics was from Germany.

🎯 Exam Tip: Recall that Gottfried Achenwall, the "Father of Statistics," was German, connecting the origin to Germany.

Question 8. When was the word "statistics" first used?
Answer: The word "statistics" was first used in 1749.
In simple words: The term "statistics" was first used in the year 1749.

🎯 Exam Tip: Remember the year 1749 as the period when the term "statistics" came into use.

Question 9. In how many ways is the word “statistics” word used in Hindi?
Answer: The word "statistics" is used in three ways in Hindi.
In simple words: In Hindi, "statistics" can be used in three different meanings.

🎯 Exam Tip: Be aware that terms like 'statistics' can have multiple interpretations or uses depending on the language context.

Question 10. What is data?
Answer: Data is a collection of facts that are presented in the form of numbers.
In simple words: Data is numerical facts that have been gathered.

🎯 Exam Tip: Define data as a collection of quantifiable facts or observations.

Question 11. Into how many parts is the subject matter of statistics divided?
Answer: The subject matter of statistics is divided into two parts.
In simple words: The study of statistics is split into two sections.

🎯 Exam Tip: Remember that the entire field of statistics is broadly categorized into two main areas.

Question 12. Applied statistics is divided into how many parts?
Answer: Applied statistics is divided into two parts.
In simple words: Applied statistics has two divisions.

🎯 Exam Tip: Know that applied statistics, a practical branch, is also divided into two specific components.

Question 13. Knowledge based on which facts is considered to be real and actual?
Answer: Knowledge that is based on numerical facts is considered to be real and actual.
In simple words: True knowledge comes from facts that are numbers.

🎯 Exam Tip: Emphasize the objective nature of numerical data in providing concrete and verifiable knowledge.

Question 14. In Kautilya's Arthashastra, many facts are related to statistics. Clarify it.
Answer: In Kautilya's Arthashastra, many facts related to how a government runs, social order, warfare, and other areas are connected to statistics. This shows that ancient societies used data for management.
In simple words: Kautilya's Arthashastra used statistics for government, society, and war.

🎯 Exam Tip: Connect ancient texts like the Arthashastra to the practical application of statistical principles in governance and administration.

Question 16. What is the 'State' called in the Roman language and Italian language?
Answer: 'State' is called 'Stato' in the Roman language and 'Statista' in the Italian language.
In simple words: 'State' is 'Stato' in Roman and 'Statista' in Italian.

🎯 Exam Tip: Be precise with the specific terms used in different languages for the concept of 'state', linking to the origins of statistics.

Question 17. What are the uses of 'Statistics' in Hindi?
Answer: In Hindi, 'Statistics' is used in three ways: it refers to numerical data, the science of statistics, and sampling methods.
In simple words: In Hindi, 'Statistics' means numerical data, the science itself, and how we collect samples.

🎯 Exam Tip: Understand the different interpretations or applications of the term 'statistics' within specific linguistic contexts like Hindi.

Question 18. In which two parts is the subject matter of Statistics divided?
Answer: The subject matter of Statistics is divided into two parts:
1. Statistical Methods
2. Applied Statistics
In simple words: Statistics is divided into two parts: ways of doing statistics, and statistics used in real life.

🎯 Exam Tip: Clearly state the two main divisions of the subject matter of statistics: statistical methods and applied statistics.

Question 19. How is the study of theoretical methods implemented in practice? Where is it studied?
Answer: The theoretical methods of statistics are put into practice and studied in applied statistics. This is where we learn how to use statistical tools in real-world situations.
In simple words: Learning how to use statistical theories in real life is studied in applied statistics.

🎯 Exam Tip: Recognize that "applied statistics" is the branch where theoretical statistical concepts are put into practical use and studied.

Question 20. In which fields of study is applied statistics used?
Answer: Applied statistics is used in various fields such as economics, commerce, social science, administration, biology, and psychology. It helps in solving practical problems in these areas.
In simple words: Applied statistics is used in many subjects like business, science, and government to help understand and manage things.

🎯 Exam Tip: List several diverse areas to demonstrate the wide-ranging practical utility of applied statistics.

Question 22. Write any two limitations of Statistics.
Answer: Here are two limitations of statistics:
1. Statistics only studies facts that can be measured with numbers. It does not look at things that are about quality, like health or intelligence.
2. Statistics mainly looks at groups and not individual things. For example, it might show the average income of a country, but not the specific income of one poor person.
In simple words: Statistics only deals with numbers, and it focuses on groups, not individual details.

🎯 Exam Tip: Ensure you mention statistics' inability to handle qualitative data and its focus on aggregate rather than individual units.

RBSE Class 11 Economics Chapter 4 Short Answer Type Questions

Question 1. Give the views of British scholar Lord Kelvin in relation to Statistics.
Answer: British Scholar Lord Kelvin said about statistics, "If you can measure what you are talking about and express it in numbers, then you truly know something about it. But if you cannot measure or express it in numbers, then your knowledge about that subject is incomplete and unsatisfactory." This means numerical measurement is key to true understanding.
In simple words: Lord Kelvin said that you only really understand something if you can measure it with numbers; otherwise, your knowledge is weak.

🎯 Exam Tip: Quote Lord Kelvin's statement accurately to emphasize the importance of quantitative measurement in gaining true knowledge.

Question 2. Why is 'Statistical Science' called the 'Science of the State'?
Answer: 'Statistical Science' is called the 'Science of the State' because it is based on data collected for state policies. Rulers or governments collect information on various subjects. They use this data to make decisions and plan for the future, which directly affects the state.
In simple words: Statistical science is called the 'Science of the State' because governments use its data to make plans and decisions for the country.

🎯 Exam Tip: Link the term 'Science of the State' to the historical role of statistics in government administration, policy-making, and data collection.

Question 3. The word 'Statistics' was first used where, when and by whom?
Answer: The word 'Statistics' was first used by German scholar and mathematician Gottfried Achenwall in 1749 in Germany. He is known for using this term to refer to the study of data relating to states.
In simple words: The word 'Statistics' was first used by Gottfried Achenwall in Germany in the year 1749.

🎯 Exam Tip: Provide all three key details – who, where, and when – when answering questions about historical origins to score full marks.

Question 5. Which methods of statistics are considered to be the second meaning of statistics?
Answer: The second meaning of "statistics" refers to the methods used in the field. These methods include all the rules and advice for collecting, analyzing, and explaining quantitative information.
In simple words: The second meaning of statistics is about the practical ways and tools used to work with numbers and data.

🎯 Exam Tip: Distinguish between the singular and plural meanings of 'statistics' to fully answer questions about its definition.

Question 6. Define statistics according to Seligman.
Answer: Seligman defined statistics as the science that involves gathering, sorting, showing, comparing, and explaining numerical information. This is done to understand any area of study better.
In simple words: Seligman said statistics is the science of handling numbers to understand things.

🎯 Exam Tip: When defining a term according to a specific economist or scholar, ensure you use the exact essence of their definition, even if you reword the connecting phrases.

Question 7. Describe the relationship between statistics and science by describing the scope of statistics.
Answer: In earlier times, statistics was only used by kings to manage their kingdoms. But now, its use has grown a lot and is very broad. Statistical methods are used as a tool in almost every science. It is believed that science cannot be complete without statistics, and statistics also needs science.
In simple words: Long ago, statistics was just for kings. Now, it's a big part of every science. They both need each other to be complete.

🎯 Exam Tip: Highlight the historical evolution of statistics, from its limited royal use to its current extensive application across all scientific fields.

Question 8. What are statistical methods?
Answer: Statistical methods help collect and organize data. They make data easy to compare and understand. These methods also help us reach correct conclusions, saving time and effort.
In simple words: Statistical methods are ways to gather and arrange information so it's clear and useful for making good decisions.

🎯 Exam Tip: Focus on the purpose of statistical methods: making data comparable, understandable, and helpful for drawing conclusions efficiently.

Question 9. What are the functions carried out under statistical methods?
Answer: The functions carried out under statistical methods are:
3. Presentation
4. Tabulation
5. Analysis
6. Interpretation
7. Forecasting
In simple words: Statistical methods involve several steps like showing data, putting it in tables, studying it, explaining what it means, and making predictions for the future.

🎯 Exam Tip: When listing functions, keep the points concise and use an introductory sentence that clearly states these are the functions.

Question 10. What is studied in applied statistics?
Answer: Applied statistics focuses on how to use theoretical statistical methods in real-world situations. It is used in fields like economics, business, sociology, government, biology, and psychology. It shows how statistical rules are put into practice, making it the practical side of statistics.
In simple words: Applied statistics is about using statistical theories in real life, such as in business or science, to solve problems.

🎯 Exam Tip: Emphasize that applied statistics bridges the gap between statistical theory and practical use in various fields.

Question 11. Explain both parts of applied statistics.
Answer: Applied statistics has two main parts:
1. Descriptive Statistics: This part studies data that has been collected from a specific area, focusing on information from both the past and present.
2. Scientific Applied Statistics: This part involves gathering data to show specific scientific rules related to various subjects. For example, it includes studying things like the law of demand or business cycles.
In simple words: Applied statistics is split into two types: descriptive, which looks at past and present data for an area, and scientific, which uses data to show scientific rules, like those in economics.

🎯 Exam Tip: Clearly define each part of applied statistics and provide a relevant example for "Scientific Applied Statistics".

Question 12. Explain any two limitations of statistics.
Answer: Here are two limitations of statistics:
1. Study of only numerical facts: Statistics only deals with information that can be expressed as numbers. It does not study things that are about quality, like health, intelligence, or poverty.
2. Principles are true only on average and over a long term: Statistical rules are not always exactly true like rules in physics or chemistry. They are generally correct when looking at large groups of data over a long time, not for every single situation.
In simple words: Statistics only works with numbers and its rules are mostly true for groups, not always for single cases.

🎯 Exam Tip: Remember to state clearly that statistics deals with quantitative data and its principles apply broadly, not universally to individual cases.

Question 13. "The methods of statistics in the hands of an unqualified and incapable person are very disastrous weapons." Clarify.
Answer: When statistical methods are used by people who are not skilled or knowledgeable, they may reach incorrect conclusions or no conclusions at all. This is why Yule and Kendall said that statistical tools become very dangerous when handled by untrained individuals.
In simple words: If people who don't know how to use statistics try to use them, they can get wrong results, making statistics a dangerous tool.

🎯 Exam Tip: Emphasize that proper training and knowledge are crucial for accurately applying and interpreting statistical methods to avoid misleading conclusions.

Question 14. How are statistical methods not the only method to study problem?
Answer: Statistical methods are not the only way to study problems. Any conclusions found using statistics should be seen as correct only if they are also supported by other ways of thinking, like logical reasoning or other proven facts.
In simple words: Statistics is just one tool; its findings are truly reliable only when confirmed by other logical approaches.

🎯 Exam Tip: Highlight that statistical conclusions gain credibility when cross-verified with other logical or factual methods, not just statistics alone.

Question 15. Clarify that Statistics is the study of groups, not of individual units.
Answer: Statistics looks at the overall features of groups, not the details of single individuals. For example, it might study the average income per person in a country, which tells us about the whole group. However, it doesn't give information about the income of one poor person, one rich person, or any specific individual.
In simple words: Statistics studies trends for whole groups, like average income, but it doesn't tell us about any one person's specific situation.

🎯 Exam Tip: Clearly state that statistics deals with aggregates and averages, focusing on collective characteristics rather than individual specifics.

Rbse Class 11 Economics Chapter 4 Long Answer Type Questions

Question 1. What is the importance of Statistics in the present era? State the importance of Statistics in Economics.
Answer: Importance of Statistics in the Present Era: In today's modern world, statistics are becoming more and more important. You can find statistics being used in almost every part of life. They are used to help solve problems in economics, society, and politics. Statistics also plays a big role in scientific research, government administration, and other types of analysis.
Dr. Bowley said that knowing statistics is as useful as knowing a foreign language or algebra, meaning it's helpful in many situations. Professor Walker also noted that our society has become very reliant on statistics.
In economics, statistics helps us understand, analyze, and solve many problems. Statistical information is also important for creating economic policies and rules. Economist Marshall compared data to "bricks" that economists use to build their understanding. Statistics helps us study and find solutions for problems in different economic areas like spending, trade, how things are shared, and income.
In simple words: Statistics are super important now, used in almost every field from solving economic problems to scientific analysis. In economics, they help understand problems, create rules, and find solutions for areas like spending and trade.

🎯 Exam Tip: For a comprehensive answer, divide it into sections (e.g., 'General Importance' and 'Importance in Economics'). Use clear examples and reference key economists to support your points.

Question 2. What is meant by Statistical Methods? Explain the functions of Statistical Methods.
Answer: Statistical methods are ways to gather and organize information so it can be easily compared and understood. These methods help us reach good conclusions. The main tasks involved in statistical methods are:
1. Collection of data: This involves deciding where, how much, and in what manner data should be gathered for a study.
2. Classification of data: This means sorting data into different groups, such as by age, weight, or location, to make it easier to compare and use.
3. Tabulation: This is about putting the organized data into tables with rows and columns.
4. Presentation: Data is shown using graphs and diagrams. This makes it easy to understand, compare, and remember.
5. Analysis: This involves studying the data using different statistical tools, like finding averages or relationships, to find insights.
6. Interpretation: This step explains if two sets of information are related to each other, based on the analysis.
In simple words: Statistical methods are steps to collect, sort, show, and understand data using tools like graphs and tables, helping us draw correct conclusions.

🎯 Exam Tip: When explaining statistical methods, define what they are first, then clearly list and briefly describe each function, as the question asks for both aspects.