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: 4×4=16
1) Nominal Data.
2) Ordinal Data.
3) Interval Data.
4) Ratio Data.
2. (a) Compare and contrast between: 8×2=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: | Y1 | Y2 | Y3 | Y4 | Y5 | Y6 | Y7 |
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 1st Test | Marks Secured In 2nd 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, t0.05 = 2.228. 16
5. (a) Write about the scope of: 4×4=16
1) Rank Correlation Test.
2) Chi-Square 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
