CBSE Class 11 Organisation of Data MCQs Set B

Question: A refers to quantity whose value varies from one investigation to another.
a) constant
b) variable
c) array
d) none of the options
Answer: b

Question: An open –end series is that series in which:
a) Lower limit of the first class is missing
b) Upper limit of the last class is missing
c) both Lower limit of the first class is missing and Upper limit of the last class is missing
d) none of the options
Answer: c 

Question: Classification done according to the attributes of data.
a) Quantitative Classification
b) Qualitative classification
c) Chronological classification
d) Spatial classification
Answer: b

Question: The data classified with reference to countries is called :
a) spatial
b) chronological
c) both
d) none
Answer: b

Question: Which of the following is the objective of classification
a) Simplification
b) Briefness
c) Comparability
d) All of the options
Answer: d

Question: The frequency distribution of two variables is known as:
a)Univariate distribution
b) Bivariate distribution
(c )Multivariate
c) None of the options
Answer: b

Question: Raw data is made comprehensible by :
a) collection of data
b) classification of data
c) organization of data
d) presentation of data
Answer: b

Question: The Difference between upper limit and lower limit of a class is known as;
a) Range
b) Magnitude of class interval
c) frequency
d) Class limit
Answer: a

Question:The class mid- point is equal to:
a) The average of the upper class limit and the lower class limit.
b) The product of the upper class limit and lower class limit.
c) The ratio of the upper class limit and the lower class limit.
d) None of the options.
Answer: a

Question: Formula for finding mid-value is given by
a) l2-l2
b) l2-l1/2
c) l1-l2
d) l1-l2/2
Answer: b

Question: Range is the:
a) Difference between the largest and the smallest observations.
b) Difference between the smallest and the largest observations.
c) Average of the largest and smallest observations.
d) Ratio of the largest to the smallest observations.
Answer: a

Question: The class midpoint is equal to:
a) The average of the upper class limit and the lower class limit
b) the product of upper class limit and the lower class limit
c) The ratio of the upper class limit and the lower class limit
d) none of the options
Answer: a 

Question: A series in which every class interval excludes items corresponding to its upper limit is called:
a) Exclusive series
b) Inclusive series
c) both Exclusive series and Inclusive series
d) none of the options
Answer: a 

Question: series excludes the upper limit of the class- interval.
a) exclusive
b) inclusive
c) open ended
d) mid value
Answer: a

Question: Classification of data on the basis of time period is called:
a) Geographical classification
b) chronological classification
c) Qualitative classification
d) Quantitative classification
Answer: b

Question: Classification of population of India in terms of years is an example of :
a) Geographical classification
b) Chronological classification
c) Quantitative classification
d) Qualitative classification
Answer: a

Question: The characteristic of fact that can be measured in the form of numbers is called:
a) Frequency
b) variable
c) attribute
d) none of the options
Answer: d

Question: Which of the following equations is correct?
a) s=r+n
b) s=r-n
c) s=r x n
d) s=r/n
Answer: d

Question: In a frequency distribution, the class may be :
a) singular or plural
b) subjective or objective
c) individual or discrete
d) inclusive or exclusive
Answer: d 

Question: Statistical calculation in classified data are based on:
a) The actual values of observations.
b) The upper class limits.
c) The lower class limits.
d) The class mid-point.
Answer: d

Case Based MCQ Questions Class 11 Economics Chapter 3 Organisation of Data to Economics and Statistics

Direction Read the following case study and answer questions on the basis of the same.

Collection of data is an important step in statistics. However, raw data cannot be used unless organised in a meaningful way. Few examples of organisation are given below,
observe these carefully and answer the questions.

Question: Table a shows which of the following methods of classification?
a) Spatial classification
b) Time series
c) Quantitative classification
d) None of the options
Answer: a

Question: Which of the following is/areobjective(s) of classification?
a) It helps in summarising the data
b) It enables further mathematical treatment
c) It enhances human knowledge
d) All of the options
Answer: d

Question: In which of the following method of frequency distribution, the upper limit of each class is excluded from the series but equal to the lower limit of the succeeding series?
a) Continuous exclusive frequency distribution
b) Continuous inclusive frequency distribution
c) Continuous cumulative frequency distribution
d) None of the options
Answer: a

Question: Which of the following best describes the classification in table b)?
a) Unequal and exclusive
b) Open-ended and exclusive
c) Unequal and inclusive
d) Open-ended and inclusive
Answer: c

Question: Time series graphs are presented on the basis of general characteristics of a data. Choose from the options below.
a) True
b) False
c) Partially true
d) Incomplete statement
Answer: b

Question: Data are grouped with reference to the attributes is referred to as…classification.
a) qualitative
b) quantitative
c) both (a) and (b)
d) Neither (a) nor (b)
Answer: a

Question:
Assertion (A) Classification of data is done after organisation process.
Reason (R) Collection of raw data is not useful for further analysis.
Alternatives
a) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A)
b) Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A)
c) Assertion (A) is false, but Reason (R) is true
d) Both are false
Answer: c

Question: As per table (b), if a student has scored 19.5, it will be recorded in which class interval?
a) 10-19
b) 20-29
c) Either (a) or (b)
d) none of the options
Answer: d

Question: In table (b), ……… series is used to arrange the data.
a) inclusive
b) exclusive
c) both (a) and (b)
d) Neither (a) nor (b)
Answer: a

Question: Classification of data based on time period is known as ……… classification.
a) chronological
b) temporal
c) spatial
d) Both (a) and (b)
Answer: d

Question: State another name of Random Sampling:
a) Chance sampling
b) Drum Rotation method
c) Lottery
d) All of the options.
Answer: d

Question: Which law should be kept is mind while and making tables:
a) Correct size
b) Correct measurement of unit
c) Correct unit
d) All of the options.
Answer: d

Fill in the blanks:

Question: Bar diagram is a ………………………… diagram.
Answer: Unit

Question: When data is categorised according to time it is called ……………………………..
Answer: Chronological 

Question: ………………………… provides real data.
Answer: Researcher

Answer in one word: 

Question: Pie diagram is also known as?
Answer: Circular

Question: What is Non – Random sampling?
Answer: In Non – Random sampling every individual does not have an equal chance of being selected.

Question: What is bivariate frequency distribution?
Answer: A bivariate distribution is the frequency distribution of two variables.

Question: In how many year population calculation is done is India?
Answer: 10 yrs

Question: What is sample?
Answer: A sample refers to a group or section of the population from which data are obtained.