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
1 2 3
10 15 9
4
3
5
7
6 7 8 9
12 16 17 4
After 12 17 8 5 6
Use paired t-test for your answer. Table value = 1.860
(15)
11 18 20 3
Q5.Set up an analysis of variance table for the following two-way design results:
(15)
Varieties of seeds A B C
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
(15) 7.815 at 5% level of significance.
Bowling results in five games
With Ball No.A
With ball no.B
With ball no C
271 282 257 248 262
252 275 302 268 276
260 255 239 246 266
279 242 297 270 258 With ball no D
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 2 3 4 5 6
1 0.55 0.43 0.32 0.28 0.36
1 0.5 0.25 0.31 0.32
1 0.39
1
0.25
0.43
0.33
0.49
1 0.44
1
Q9.Mention the different types of report, particularly pointing out the difference between a technical report and a popular report.(15)