FEBRUARY 2017 Sub.Code :2604
B.Sc. RESPIRATORY THERAPY
FIRST YEAR
PAPER IV BIO STATISTICS AND PHYSICS
Q.P. Code: 802604
Time: Three Hours Maximum 100 Marks
Answer All questions
I. Elaborate on: x 10 30)
1. Discuss ANOVA and its applications.
2. Calculate the pearson's correlation coefficient for the following data
X 10 5 12 8 18
Y 12 8 15 7 24
3. Discuss the various roles of surfactant.
II. Write Notes on: x 5 40)
1. Explain the steps involved in hypothesis testing.
2. Distinguish between random and non-random sampling procedure.
3. Calculate mean, median and mode for the following data:
25 20 30 40 24 39 20 20 30 21
4. Explain the uses of a scatter diagram.
5. Explain measures of dispersion.
6. Explain the purpose of regression analyses.
7. Discuss the three types of t-tests with relevant examples.
8. Discuss Venturi principle.
III. Short Answers on: (10 x 3 30)
1. What is the scope of statistics?
2. Define quartiles.
3. What is called sampling frame?
4. What is a parameter?
5. Define type 1 error.
6. Define standard deviation.
7. What is the equation for a straight line?
8. Define vital capacity.
9. Discuss states of matter.
10. Explain briefly gas diffusion.