2013
(December)
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) What is Research Design? Discuss the utility of Research Design. 4+12=16
Or
(b) Write notes on: 4x4=16
1)
Nominal Data.
2)
Ordinal Data.
3)
Interval Data.
4)
Ratio Data.
2.
(a) Compare and contrast between: 8x2=16
1)
Measure of Central Tendency Vs. Measure of
Variation.
2)
Correlation Vs. Regression Analysis.
Or
(b) What is Time Series Analysis? Find the Trend from the
following data: 6+10=16
Year:

Y_{1}

Y_{2}

Y_{3}

Y_{4}

Y_{5}

Y_{6}

Y_{7}

Sales (units):

848

675

513

479

500

425

319

3.
(a) Write a note on the characteristics and applications of: 2(4+4)=16
1)
Binomial Distribution.
2)
Poison Distribution.
Or
(b) What is Statistical Decision Theory? Discuss the scope
of Statistical Decision Theory in Business. 4+12=16
4.
(a) (1) Distinguish between Point and Interval Estimation of Population Mean. 4
(2) Give that size of sample is 100, average height is 64
inches and sample standard deviation is 3 inches. Estimate: Population Limits
of (A) Arithmetic Mean, (B) Standard Deviation (C) Variance. 4+4+4=12
Or
Student

Marks Secured
In 1^{st} Test

Marks Secured
In 2^{nd} Test

1
2
3
4
5
6
7
8
9
10
11

23
20
19
21
18
20
18
17
23
16
19

24
19
22
18
20
22
20
20
23
20
17

Do
the marks give evidence that students have been benefitted by the extra
coaching? [Assume that marks in the population are normally distributed]. It is
also given for y = 10, t_{0.05 }= 2.228. 16
5.
(a) Write about the scope of: 4x4=16
1)
Rank Correlation Test.
2)
ChiSquare Test.
3)
Sign Test.
4)
Median Test.
Or
(b) Discuss about the steps involved in Report writing. Also
highlight the contents of a Research Report. 8+8=16
***
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