CBSE Class 11 Economics On Presentation of Data Worksheet

Statistics for Economics

Worksheet on Presentation of data Reference:
 

Multiple Choice Questions

Question. False base lines are used
(a) when extreme values of given series are not known
(b) when there are very less values given in the frequency distribution
(c) when there are higher values given in the frequency distribution
(d) None of the above
Answer : C

Question. A frequency polygon curve having its tail towards right side of the graph results in
(a) normal curve
(b) positively skewed curve
(c) negatively skewed curve
(d) None of the above
Answer : B

Question. Simple bar graphs are suitable for…… .
(a) attributes
(b) frequency distribution
(c) cumulative frequency distribution
(d) All of the above
Answer : B

Question. In a pie-diagram, maximum degree is
(a) 180
(b) 240
(c) 360
(d) None of these
Answer : C

Question. Which of the following are essentials of a good table?
(i) Based on the objective of study
(ii) Capable of comparison
(iii) Manageable size
(iv) Attractive
Choose from the options below.
(a) (i), (ii), (iii)
(b) (ii), (iii), (iv)
(c) (i), (iii), (iv)
(d) (i), (ii), (iii), (iv)
Answer : D

Question. When the vertices of frequency polygon are joined by a smooth curve, it is called as ……… .
(a) Line graph
(b) Curve
(c) Frequency curve
(d) None of the above
Answer : C

Question. Which of the following parts of a table is/are optional?
(a) Headnote
(b) Footnote
(c) Both (a) and (b)
(d) Neither (a) nor (b)
Answer : C

Question. Which of the following is not an objective of classification of data?
(a) To simplify complex data
(b) To facilitate comparison
(c) To enhance human understanding
(d) All of the above are objectives of classification
Answer : D

Question. Diagrammatic presentation is used as it is easy to remember diagram. Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement
Answer : A

Question. The main objective of tabulation is
(a) to simplify complex data
(b) to present data in a definite form
(c) Both (a) and (b)
(d) Neither (a) nor (b)
Answer : C

Question. Component bar graphs are also known as
(a) Sub-divided bar graph
(b) Percentage bar graph
(c) Broken scale bar graph
(d) Deviation bar graph
Answer : A

Question. Compound bar diagrams are same as ……… .
(a) simple bar graph
(b) multiple bar graph
(c) sub-divided bar graph
(d) None of the above
Answer : B

Question. Histograms can be used to locate which of the following central tendency?
(a) Arithmetic mean
(b) Median
(c) Mode
(d) All of these
Answer : C

Question. Graphical presentation of cumulative frequency distributions is known as
(a) Frequency curve
(b) Frequency polygon
(c) Ogive graphs
(d) Histograms
Answer : C

Question. Which of the following should be kept in mind while constructing a diagram?
(a) According to the page size
(b) Properly scaled
(c) Simple and clear
(d) All of the above
Answer : D

→ Answer in one sentence ( 1 mark)

1. What are the three forms of presentation of data?

2. What is statistical table?

3. Define frequency polygon.

4. What is a Histogram?

5. What is a pie diagram?

6. Name the three types of frequency diagrams.

7. What is a bar diagram?

8. Name the different types of bar diagrams.

9. What is an Ogive?

10. What is textual presentation of data?

→ Answer in around 75 words ( 3 or 4 marks)

11.Describe the major parts of a statistical table. Draw a format of a table showing all these parts.

12.Distinguish between a bar diagram and histogram.

13.What do you mean by arithmetic line graph? Explain briefly.

14.Present the data in the form of a simple bar diagram:

→ Answer in around 100 words (6 marks).

15.Represent the following data with the help of multiple bar diagram:

16.Represent the following data by means of a component bar diagram:

17.Present the following data on the production of food grains in the form of (i) Sub-divided bar diagram and (ii) Multiple bar diagram:

Production

18.Represent the following data by means of a pie diagram:

19.Present the following data in the form of histogram:

20.Draw a histogram and frequency polygon for the following data:

21.Draw a polygon using mid-values from the following table:

22.On the basis of following frequency distribution, draw ‘less than’ cumulative frequency curve:

23.Prepare both type of ogive (less than and more than) from the following data:

24.Represent the following information through a time series graph:

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