Research Methodology Question Paper 2009 (NovDec)
[Dibrugarh University DODLDU M.Com Final Year]
COMMERCE
Paper: 203
(Research Methodology and Statistical Analysis)
Full Marks: 80
Time: 3 hours
The figures in the margin indicate full marks for the questions
1. (a) “Research is much concern
with the proper fact finding, analysis and evolution”. Do you agree with
this statement? Give reason in support of your answer. 16
OR
(b) Enumerate the different
method of collecting data. Which one is the most suitable for conducting
enquiry regarding family welfare programme in India? Explain its merits and
demerits.
2.(a)what does a measure of
central tendency indicate? Discuss the important measure of central tendency pointing
out the situation when one measure is considered relatively appropriate in
comparison to other measure. 16
OR
(b) From the following data
obtain two regression equations :
X: 6
2 10 4
8
Y: 9
11
5 8 7
3. (a) Explain the following with
examples : 2*8=16
(i) Mutually
Exclusive Events
(ii) Independent
and dependent Events
(iii) Equally
Likely Events
(iv) Classic
Approach
(v) Relative
frequency Approach
(vi) Subjective
Approach
(vii) Addition
Theorem
(viii)
Multiplication Theorm
OR
(b) Eight coins are tossed at a
time 256 times. Number of heads observed at each throw is recorded and results
are given below. Find the expected frequencies. What are the theoretical values
of mean and S.D of the observed frequency. 16
Number of heads of a throw

Frequency

0
1
2
3
4
5
6
7
8

2
6
30
52
67
56
32
10
1

4. (a) Describe Five steps of
hypothesis testing and write a note on point and interval estimation. 10+6=16
OR
(b) The MBA admission test taken
by two groups of boys and girls gave the following information :
Particulars

Mean Scores

SD

Number

Girls

75

10

100

Boys

70

12

200

On the basis of above info. State
if the difference of mean scores of boys and girls are statistically
significant. 16
(Tabulated value of Z at 1 %
level of significance is 2.58)
5. (a) A firm selling our
products is interested in finding out whether the sales are distributed
similarly among four general classes of customers. A random sample of 400 sales
records provide the following information :
Customer’s group

1

2

3

4

Total

Partners

25

10

30

15

80

Factory workers

32

20

10

28

90

Businessmen

35

48

25

40

148

Professionals

28

22

15

17

82

Total

120

100

80

100

400

Apply
Chisquare test. What conclusion can you draw from the last result. (Tabulated
value of x^{2}_{0.05} =16.919 for q=9) 16
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