LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

OC 09

M.A. DEGREE EXAMINATION – MEDICAL SOCIOLOGY

SECOND SEMESTER – APRIL 2007

SO 2900 – STATISTICS FOR SOCIAL RESEARCH

 

 

 

Date & Time: 24/04/2007 / 1:00 – 4:00      Dept. No.                                       Max. : 100 Marks

 

 

PART – A

 

Write a short on the following:                                                        (2×10=20 Marks)

 

1.  Statistics
2.  Pie diagram
3.  Multiple bar diagram
4.  Median
5.  Mode
6.  Positive correlation
7.  Standard deviation
8.  Correlation
9.  Rank correlation
10.  Quartile deviation

PART – B

 

Answer any FIVE questions in about 300 words each:                 (5×8=40 marks)

 

11. State the rules for constructing a diagram.

 

12. How does scattered diagram method analyse correlation?

 

13. What do you understand by central tendency? What purpose does a measure of central tendency

serve?

 

14. In what ways measures of variation supplement measures of central tendency? Explain.

 

15. Compute quartile deviation from the following data:

Height

in inches         58        59        60        61        62        63        64        65        66

 

No. of.

Students         15        20        32        35        33        22        20        10        8

 

 

16. The following are the marks of 100 students of sociology. Find the range of variation of marks

and also the coefficient of range:

 

Mark              0-10     10-20   20-30   30-40   40-50   50-60   60-70   70-80

 

No. of

Students        13          6          9          11        10        18        23        10

 

17. Calculate standard deviation from the following data:

X :     10        20        30        40        50        60

Y :     8          12        20        10        7          3

 

PART – C

 

Answer any TWO questions in about 1200 words each                (2×20=40 marks)

 

18. Describe the scope and the function of statistics.
19. Calculate mean and median for the following data:

Variable:        30-35   35-40   40-45   45-50   50-55   55-60   60-65   65-70

Frequency:       12        18        22        27        17        23        29        8

 

20. Find out the mean deviation from median for the following data:

Marks                                      No. of Students

0-10                                                     5

10-20                                                   8

20-30                                                   7

30-40                                                   12

40-50                                                   28

50-60                                                   20

60-70                                                   10

70-80                                                   10

 

21. Calculate the rank correlation between preference share price and debenture

price given below:

 

Preference Share price (X)   73.2      85.8     78.9     75.8     77.2     81.2     83.8

Debenture price         (Y)      97.8     99.2     98.8     98.3     98.3     96.7     97.1

 

 

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