Clinical trial

Single blind study

- Double blind study

What do you understand by the terms - Level of Significance and Power? Discuss their relevance in sample size determination.

Quasi experimental design

List one mortality measure for assessing the health status of children in a community. How will you measure them? Indicate.

 Briefly explain with the help of an example the various activities of the research process.

Given here are the scores of 20 student who took a practical course in nutrition.

57, 60, 64.67,67,62, 61, 63, 70, 72, 73, 70, 76, 76, 75, 70, 80, 80, 78, 78

For these scores present:

I) The frequency distribution and cumulative frequency distribution.