LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034 M.A. DEGREE EXAMINATION – MEDICAL SOCIOLOGY OC 09 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: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. (2x10=20 Marks) Statistics Pie diagram Multiple bar diagram Median Mode Positive correlation Standard deviation Correlation Rank correlation Quartile deviation PART – B Answer any FIVE questions in about 300 words each: (5x8=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 No. of. Students 15 20 32 35 33 22 64 65 66 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 No. of Students 13 10-20 20-30 30-40 40-50 50-60 60-70 70-80 6 9 11 10 18 23 10 1 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 (2x20=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 Debenture price (Y) 97.8 85.8 99.2 78.9 98.8 75.8 98.3 77.2 98.3 81.2 96.7 83.8 97.1 ***************** 2