M.S.W. DEGREE EXAMINATION, NOVEMBER 2017
Third Semester
Social WorkM.S.W. DEGREE EXAMINATION, NOVEMBER 2017
Third Semester
Economic
STATISTICS FOR DECISION MAKING
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. During four successive years, a home owner purchased oil
for his furnace at respective costs of 1.6, 1.8, 2.1 and 2.5
per litre. What was the average cost of oil over four-year
period?
2. Find the range of the set of numbers 12, 15, 10
and 18.
3. Give examples for mutually exclusive events.
4. Write the binomial expansion for p)5 .
5. What is the probability of getting at least 3 heads in a
toss of four fair coins?
6. If a variable is binomially distributed, determine its
mean.
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7. If the probability of a defective bolt is 0.1, find the mean
for the distribution of defective boles in a total of 400.
8. What is meant by ''non-sense correlation''?
9. Define correlation''.
Answer all questions choosing either or
11. A man travels from A to B at an average speed of
30 km/h and returns from B to A in the same route
at an average speed of 60 km/h. Find the average
speed for the entire trip.
Or
Explain the use of averages in decision making.
12. Find the mean deviation of the set of numbers:
12, 15, 10, 18, 5.
Or
A fair die is tossed once. Find the probability of
getting 4 or 5 or 6.
13. Find the probability that in a family of four children
there will be at least 1 boy.
Or
Out of 2000 families with 4 children each, how
many families would you expect to have at least one
boy?
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14. 10 percent of the tools produced in a certain
manufacturing process turn out to be defective.
Find the probability that in a sample of 10 tools
chosen at random, exactly 2 will be deflective by
using appropriate distribution.
Or
What are the uses of tests?
15. Exemplify positive correlation coefficient.
Or
Find bxy for the following data.
Y 100 200 300 400 500
X 150 250 300 450 600
Part C x 10 30)
Answer any three questions.
All questions carry equal marks.
16. Discuss the uses of measures of central tendency in
research.
17. Find the standard deviation for the following data.
Mass 60-62 63-65 66-68 69-71 72-74
Frequency 5 18 42 27 8
18. Three balls are drawn successively from a box with 6 red
balls, 4 white balls and 5 blue balls. Find the probability
that they are drawn in order red, white and blue, if each
ball is not replaced.
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19. The IQ's of 16 students from one school showed a mean of
107 with a standard deviation of 10. The IQ's of
14 students from another school showed a mean of 112
with a standard deviation of 8. Is there a significant
difference between the IQ's of the two groups at 0.05 level
of significance?
20. Construct a straight line which approximates the data
given below
X 2 3 5 7 9 10
Y 1 3 7 11 15 17

SPECIALIZATION HUMAN RESOURCE MANAGEMENT
INDUSTRIAL RELATIONS AND TRADE UNIONS
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
All questions carry equal marks.
1. Define Industrial Relations.
2. List any two economic factors influencing Industrial
Relations.
3. Write a few lines about conciliation.
4. Write in your own words about Bonus.
5. Mention two objectives of Trade Union.
6. Write the meaning for collective bargaining.
7. What do you mean by joint production committee?
8. Point out two positive effects of workers participation in
management.
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9. What do you know about liberalization?
10. List out two functions of ILO.
Part B x 5 25)
Answer all questions, choosing either or
All questions carry equal marks.
11. Write a note on IR at government level.
Or
Explain the contribution of Giri towards Industrial
Relations.
12. Explain the issues related to wages.
Or
Examine the role of non-statutory mechanisms in
prevention of settlement of dispute.
13. Elucidate the factor influencing collective
bargaining.
Or
Examine the issues related to wages.
14. Write a note on workers committee.
Or
Examine the joint management council's role.
15. Write the status of employer federation in India.
Or
Briefly write about the history of ILO.
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Part C x 10 30)
Answer any three questions.
All questions carry equal marks.
16. Narrate the historical development of Industrial
Relations.
17. Write the causes and consequences of industrial conflict.
18. Elucidate the role and function of trade union
organization in collective bargaining.
19. Narrate the labour movement in UK.
20. Explain the function of ILO and its impact on labour
legislation.
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