FACULTY OF PHARMACY
B. Pharmacy 3/4 II Semester (Main) Examination, May 2017
Subject: Bio-statistics (Pharmacostatistics)
Time: 3 Hours Max.Mark 70
Note: Answer all questions. All questions carry equal marks.
1 Explain the following: 14
Graphical representation
ii) Correlation and regression
OR
Calculate Mean, Median and Mode for the following distribution
Class Interval 20-30 30-40 40-50 50-60 60-70 70-80 80-90
Frequency 7 39 46 53 40 36 8
2 Define normal distribution and explain its properties. 14
OR
Explain about binomial and Poisson distributions. 8
In family of three children, find the probability of having at least two girls. 6
3 Explain about sampling and non-sampling errors. 8
Random sampling methods. 6
OR
Explain:
Cluster sampling 6
ii) Bar diagrams 8
4 Explain about: 14
Type I and Type II errors
ii) Standard error
iii) Level of significance
iv) Power of the test
OR
Explain: 14
Bayesian estimation
ii) Point and Interval estimation
iii) Paired t-test
5 Describe the analysis of variance one-way classification and two-way classifications
with ANOVA tables. 14
OR
Explain:
Basic principles of design of experiments. 7
ii) Latin square design. 7