CBSE Class 11 Economics Presentation of Data

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PRESENTATION OF DATA

1. Name the different ways of presenting the data.

2. Define textual presentation of data.

3. What is meant by tabular presentation of data?

4. Define the following:

a) Simple bar diagram

b) Multiple bar diagram

c) Component/sub divided bar diagram

d) Pie diagram

e) Histogram

f) Frequency polygon

g) Frequency curve

h) Ogive

i) Arithmetic line graph/Time series.

5. Name the point of intersection between ‘less than’ and ‘more than ogive’

6. Explain different types of classification used in tabulation.

7. Distinguish between a bar diagram and histogram.

8. Distinguish between ‘Frequency polygon’ and ‘frequency curve’

9. What are the different parts of a table? Draw a format of a table showing all these parts.

10. Answer the following questions, 1 to 10, choosing the correct answer

a) Bar diagram is a

(i) One-dimensional diagram

(ii) Two-dimensional diagram

(iii) Diagram with no dimension

(iv) None of the above

b) Data represented through a histogram can help in finding graphically the

(i) Mean

(ii) Mode

(iii)Median

(iv) All the above

c) Ogives can be helpful in locating graphically the

(i) Mode

(ii) Mean

(iii) Median

(iv) None of the above

d) Width of bars in a bar diagram need not be equal (True/False).

e) Width of rectangles in a histogram should essentially be equal (True/ False).

f) Histogram can only be formed with continuous classification of data (True/False).

g) Mode of a frequency distribution can be known graphically with the help of histogram. (True/False).

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