DISTANCE EDUCATION
B.B.A. (Banking) B.B.A. (Banking) (Lateral) DEGREE
EXAMINATION, DECEMBER 2017.
BUSINESS STATISTICS
(2005 onwards)
Time Three hours Maximum 100 marks
PART A — x 8 40 marks)
Answer any FIVE questions.
1. Explain the applications of statistics in banking.
2. From the following data compute arithmetic mean
Marks: 0-10 10-20 20-30 30-40 40-50 50-60
No. of students: 5 10 25 30 20 10
3. Calculate the standard deviation for the given data.
Size of item: 3.5 4.5 5.5 6.5 7.5 8.5 9.5
Frequency: 3 7 22 60 85 32 8
4. Calculate the mean deviation and its coefficient of the
two income groups of five and seven members given
below.
I 4,000 4,200 4,400 4,600 4,800
II 3,000 4,000 4,200 4,400 4,600 4,800 5,800
5. Define skewness and explain its types.
Sub. Code
23
DE-2466
2
Ws2
6. What is correlation analysis? Explain its types with
example.
7. Explain the methods of Interpolation.
8. What is index number? Explain its methods.
PART B — x 15 60 marks)
Answer any FOUR questions.
9. Calculate Geometric mean and Harmonic mean to the
following data.
Marks: 4-8 8-12 12-16 16-20 20-24 24-28 28-32 32-36 36-40
Frequency: 6 10 18 30 15 12 10 6 2
10. Define measures of dispersion and explain its types.

Compute coefficient of quartile deviation from the
following data.
Marks: 10 20 30 40 50 60
No. of students: 4 7 15 8 7 2
11. Calculate Bowley's coefficient of skewness from the data
given below.
Profits
(Rs. in lakhs)
Less than 10 20 30 40 50 60 70
No. of cos: 8 20 40 50 56 59 60
12. Two ladies were asked to rank seven different types of
lipsticks. The ranks given by them are as follows:
Lipsticks: A B C D E F G
Neelu 2 1 4 3 5 7 6
Neena 1 3 2 4 5 6 7
Calculate Spearman's rank correlation coefficient.
DE-2466
3
Ws2
13. Given the following pairs of corresponding values of X
and Y.
20 25 30 35 40
73 198 573 1198 1450
Estimate the value of Y for X 22 (Apply Newton's
method).
14. Calculate Fisheries Ideal Index from the data given
below.
Commodity Base price Value Current price Value
A 10 30 12 48
B 15 60 15 75
C 5 50 8 96
D 2 10 3 15
15. What is time series analysis? What are its components?
Explain various methods.
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