B.Pharmacy 3/4 II-Semester (Main) Examination
Subject Biostatistics (Pharmaco Statistics)
Time 3 Hours Max. Marks: 70
Note: Answer all questions. All questions carry equal marks.
1 Define Mean, Median and Mode. Discuss their merits and demerits.
Compute the correlation coefficient for the following data:
X 70 65 50 62 48 52 75
Y 66 70 46 63 54 63 70
OR
State the Bayes Theorem. Give its applications in Pharma Industry and discuss
at least two of them in detail.
Dr. A will diagnose a disease correctly is 60% and a patient will die by his
treatment after correct diagnosis is 40%. A patient will die by wrong diagnosis is
70%. A patient who had disease X died. What is the probability that his disease
was diagnosed correctly.
2 Write the applications of statistical methods used in pharma industry.
Define the measures of dispersions. Explain how can you measure them using
graphical representations.
OR
Define the Binomial distribution by stating its physical conditions for the
occurrence.
Discuss the importance of Normal distribution.
3 Explain the principles of experimental Designs.
Draw the Bar and Pie diagrams following data:
Drugs Usage of the Drug Production of the Drug
ABCD
12000
5000
750
500
15000
8000
1000
300
OR
Explain the stratified, systematic and simple random sampling methods.
Discuss their merits and demerits.
4 Define the Analysis of variance. Explain the procedure for carrying the analysis
of variance for one way classified data with a suitable numerical example.
OR
Write a note on
Chi-Square test
Test of significance
Test of Hypothesis
5 State and principles of Biological assays.
Explain the parallel time 4 point and 6 point assays.
OR
Explain the construction of Range chart with a suitable example.