Annamalai University 2007 B.A BUSINESS ECONOMICS - BUSINESS STATISTICS - Question Paper

B.A. DEGREE EXAMINATION, 2007
( BUSINESS ECONOMICS )
( 2nd YEAR )
BUSINESS STATISTICS
December ] [ Time : three Hours
Maximum : 100 Marks
part - A (8 × five = 40)
ans any 8 ques..
All ques. carry equal marks.
1. elaborate the precautions necessary before
using secondary data ?
2. What do you understand by classification and
tabulation ?
3. discuss the properties of a good avg..
4. obtain the quartile deviation :
5. discuss the concept of regression.
6. What do you understand by interpolation ?
7. elaborate the tests of a good index number ?
8. Write a note on consumer price policy.
9. discuss the importance of time series analyses
in business forecasting.
10. What is meant by vital statistics ? What
purpose they are used ?
part - B (3 × 20 = 60)
ans any 3 ques..
All ques. carry equal marks.
11. discuss the importance of diagrammatic
presentation in statistics and define the
procedure to draw a pie diagram.
2 3
X : 15 16 17 18 19 20 21
F : four six 10 15 12 nine 4
12. From the subsequent data, calculate mean,
median, mode :
13. compute Karl pearson?s co-efficient of
skewness :
14. calculate a price index for the subsequent
data :
15. explain the requirements of a good
questionnaire.

Earning:   Approval pending.