SVKM,S NMIMS UNIVERSITY School Of Distance Learning Course: ADSCM

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SVKM,S NMIMS UNIVERSITY School Of Distance Learning Course: ADSCM Subject: Research Methodology for Management Date: Marks: 100 Time: 3hours Note: Q1 to Q3 carry 20 marks each. From Q1 to Q3 attempt any 2 questions.2*20= 40 Q4 to Q9 carry 15 marks each. From Q4 to Q9 attempt any 4 questions. 4*15 =60 Q1. a)What is research problem? What is the necessary of defining a research problem? Give example to illustrate your answer(10) b)What is the importance of experimental design? Explain the formal and informal experimental design? (10) Q2. a)Narrate the procedure for developing a scalogram and illustrate the same by an example. (10) b)Workout Guttmann’s coefficient of reproducibility from the following information: (10) Number of cases (N) = 30 Number of items (n) = 6 Number of errors (e) = 10 Interpret the meaning of coefficient you work out in this example. (20) Q3. Write short notes on: a)Semantic differential scale b)Scalogram analysis c) Likert-type scale d) Multidimensional scaling Q4.Memory capacity of 9 students was tested before and after training. State at 5% level of significance whether the training was effective from the following scores: Student Before After 1 10 12 2 15 17 3 9 8 4 3 5 5 7 6 Use paired t-test for your answer. Table value = 1.860 (15) 6 12 11 7 16 18 8 17 20 Q5.Set up an analysis of variance table for the following two-way design results: (15) Varieties of seeds A B C 9 4 3 Varieties of fertilizers W X Y 6 7 3 5 5 3 5 4 3

Z 8 7 4 Also state whether variety differences are significant at 5% level. Table value F(2,6)=5.14 &F(3,6)=4.76 Q6.Use the kruskal-Wallis test at 5% level of significance to test the null hypothesis that a professional bowler performs equally well with the four bowling balls, given the following results. Table value is 7.815 at 5% level of significance. Bowling results in five games (15) With Ball No.A With ball no.B With ball no C With ball no D 271 252 260 279 282 275 255 242 257 302 239 297 248 268 246 270 262 276 266 258 Q7.Seven individuals have been assigned ranks by four judges at a certain music competition as shown in the following matrix.(15) JUDGE1 JUDGE2 JUDGE3 JUDGE4 A 1 2 3 1 B 3 4 4 2 C 2 1 1 5 INDIVIDUALS D 5 3 2 4 E 7 7 7 6 F 4 5 6 3 G 6 6 5 7 Is there significant agreement in ranking assigned by different judges? Test at 5% level. Also point out the best estimate of the true rankings. Table value =217.0 at 5% level of significance. Q8.Given is the following correlation matrix, R, relating to eight variables with unities in the diagonal spaces. Using the centroid method of factor analysis, work out the fist and second centroid factors from the above information. Work out the communality and Eigen values from the final results obtained.

(15)

1 2 3 4 5 6 1

1

2 3 4

0.55 0.43 0.32 1 0.5 0.25 1 0.39 1

5

0.28 0.31 0.25 0.43 1

6

0.36 0.32 0.33 0.49 0.44 1 Q9.Mention the different types of report, particularly pointing out the difference between a technical report and a popular report.(15)

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