Mahatma Gandhi University (MGU) 2012-4th Sem M.Sc Microbiology , Kottayam - (MODEL ) MB4PGE9- Biostatistics and Research Methodology - Question Paper

Mahatma Gandhi University, Kottayam
Fourth Semester M.Sc.Microbiology exam - 2012
(MODEL ques. PAPER)
MB4PGE9- Biostatistics and Research Methodology
Time : three Hrs Weightage: 30
I. Write Notes on Any 5 (Wt: one each)
1. Importance of statistics with reference to biology
2. What is frequency distribution? Illustrate with an example.
3. Diagrammatic representation- illustrate with examples from biological experiments.
4. Distinguish ranging from diagrammatic and graphical distribution- with special reference to
biostatistics.
5. discuss goodness of fit of data with special reference to ?
2
- test.
6. Distinguish ranging from regression and correlation. discuss its importance in experimental
data analysis.
7. discuss various methods of collection of data.
8. elaborate measures of central tendency? discuss the best measure of central tendency.
II Write Short Essay on Any 5 (Wt: two each)
9. Arithmetic mean.
10. Correlation coefficient ?.
11. Regression Coefficient b.
12. Geometric mean.
13. Measures of dispersion and its significance in data analysis.
14. discuss analysis of variance in experiments.
15. discuss test of significance in statistical analysis of data.
16. discuss small sample test- provide an illustrative example.
III ans Any 3 in Detail (Wt: five each)
17. discuss arithmetic mean (AM), geographic mean (GM), and harmonic mean (HM). Prove
that AM = GM = HM.
18. What is ANOVA? elaborate the assumptions under ANOVA illustrate?
19. provide the formula for z test andt test. Under what situation every 1 is applied.
20. What is rank correlation? How this kind of correlation is calculated? provide its formula.
21. discuss the levels of significance. discuss 5% and 1% level of significance. provide
illustration of every level.
22. What is normal distribution? Under what condition a normal distribution will be turned to
standard normal distribution. provide the formula.

Earning:   Approval pending.