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

B.B.S. DEGREE EXAMINATION, 2007
( 2nd YEAR )
( PART - III )
( PAPER - IV )
610. BUSINESS STATISTICS

Maximum : 100 Marks
ans any 5 ques..
All ques. carry equal marks.
1. discuss the different methods that are used for
graphical representation of frequency
distribution.
2. elaborate the various parts of a table ?
Prepare a blank table to show the distribution
of population, according to age, sex and
status.
3. What is meant by measure of central
tendency ? elaborate the characteristics of a
good measure of central tendency ?
4. discuss the term skewness as applied to a
frequency distribution and define different
measures of skewness known to you.
5. explain the utility of interpolation.
6. define the points you would consider in
drafting a questionnaire.
7. The annual sales of a group of employees
are provided in the subsequent table :
Sales
(in Rs. 1000) : 45 50 55 60 65 70 75 80
Number
of Persons : three five eight seven nine seven four 7

compute the standard deviation of the salaries.
8. compute the co - efficient of correlation
ranging from X and Y from the subsequent data
and compute probable errors. presume 69
and 112 as the mean value for X and Y :
X : 78 89 99 60 59 79 68 61
Y : 125 137 156 112 107 136 123 108
9. An enquiry into the budgets of middle class
families in Madurai gave the subsequent
info :
Expenses on : Food 35 % Rent15 % Clothing 20 % Fuel 10 % Misc 20 %
Price (2003)
in Rs. 150 90 100 20 60
Price (2004)
in Rs. 174 60 125 25 90
What modifications in the cost of residing figure of
2004 have taken place compared to 2003 ?
10. From the figures provided below, compute the
general fertility rate and the total fertility
rate :
Age group No. of women Specific fertility rate (per 1,000)
15 - 20 100 15
20 - 25 120 100
25 - 30 110 120
30 - 35 105 140
35 - 40 100 80
40 - 45 80 50
45 - 50 70 10

Earning:   Approval pending.