DISTANCE EDUCATION
B.B.A. (Banking/B.B.A. Banking Lateral) DEGREE
EXAMINATION, MAY 2017
BUSINESS STATISTICS
(2005 onwards)
Time Three hours Maximum 100 marks
SECTION A — × 8 40 marks)
Answer any FIVE questions.
All questions carry equal marks.
1. Define Statistics. State the importance of Statistics with
reference to business.
2. Discuss the objectives of classification of data.
3. Calculate the mean deviation from the mean for the
following data
Class interval 0-4 4-8 8-12 12-16 16-20
Frequency 4 6 8 5 2
4. What do you mean by quartile deviation? What are its
properties?
5. State the differences between dispersion and skewness.
6. From the given data calculate the coefficient of rank
correlation
X 80 91 99 71 61 81 70 59
Y 123 135 154 110 105 134 121 106
Sub. Code
23
DE-163
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WS 20
7. What do you mean by index numbers? What are its uses?
8. Calculate the geometric mean for the following data
x 12 13 14 15 16 17
y 5 4 4 3 2 1
SECTION B — × 15 60 marks)
Answer any FOUR questions.
All questions carry equal marks.
9. What are the various sources of collection of data?
Explain.
10. Explain the various components of time series.
11. What do you mean by correlation analysis? Explain the
various types of correlations.
12. Calculate Karl Pearson's coefficient of skewness for the
given data
X 0 1 2 3 4 5 6 7
Y 12 17 29 19 8 4 1 0
13. Calculate the Karl Pearson's correlation coefficient from
the given data
X 3 7 5 4 6 8 2 7
Y 7 12 8 8 10 13 5 10
DE-163
3
WS 20
14. The following are the annual premium charged by the
Life Insurance Corporation of India for a policy of
Rs.10,000. Calculate the premium payable at the age of
26, using Newton's formula for advancing differences.
15. Compute Laspeyer's, Paache's, Fisher's, Bowleys index
numbers from the given data
Commodity Basic year Current year
Price Quantity Price Quantity
A 15 15 22 12
B 20 5 27 4
C 4 10 7 5