# 2013 – Previous Year Question Papers | Research Methodology and Statistical Analysis | Final Year – Masters of Commerce (M.Com) | Dibrugarh University 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 ## We are happy you are here 