# CBSE 11th Board Sample Paper Economics

Central Board of Secondary Education (CBSE)
Guess Paper – 2012
Class – XI
Subject – Economics

STATISTICS FOR ECONOMICS

1. What is a random sample?
2. What is a Lorenz curve?
3. Define statistical series.
4. What is an index number?
5. What is a first step of a project?
6. “Statistics is both science as well as an art” Discuss The statement?
7. Define mode. How is it compute?
8. Write down the various measures of dispersion.
9. Compute the cost living index number using, aggregate expenditure method of the
Following information

 Commodities Q0 P0 P1 Whet 20 10 12 Rise 5 30 35 Ghee 2 20 30 sugar 4 25 40

11. Write note on:
a)      SENSEX
b)      NIFTY
12. Calculate median from the following data set.

 Mark in Hindi 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 No. of students 5 15 18 12 20 15 7 3

13. What are the qualities of a good questionnaire?
14. Describe structure of project report.
15. Calculate mean and standard deviation from the following series.

 Mark in Hindi 20-30 30-40 40-50 50-60 60-70 70-80 No. of students 5 15 0 22 11 7

16. Discuss the kinds and degrees of correlation?

17. Draw a histogram for the following data and also draw the frequency curve on it.

 Monthly income No. of families 0-75 15 75-150 90 150-225 140 225-300 70 300-375 35

18. A student subject 40 mark in English,65 in Hindi,53 in maths,49 in economics and 55 in statistics. Calculate weighted mean of the marks if weights are respectively 2, 1, 5, 5, and 3.
Or
Mention merits and demerits of Mean. And list out any three examples of ‘scope of averages in your class room’.
19. Following are the marks obtained by 10 students in two subjects, statistics and economics, calculate Spearman’s rank correlation.

 Mark in statistics 20 25 30 45 31 48 21 10 26 34 Mark in Economics 5 19 20 42 21 47 20 10 12 33

CBSE 11th Board Sample Paper Economics
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