Calculate the standard error of the difference between the means of the two groups.  

 Learners (n=10) enrolled in M.Sc . DFSM, scored following marks (out of 100) in theory (X) and practical (Y). Find out the correlation coefficient and level of significance for the two variables. X: 46, 69, 79, 47, 35, 57, 98, 69, 58, 79 Y: 40, 50, 54, 47, 57, 40, 49, 46, 44, 48  

Give one mortality and one morbidity measure for assessing the health status of children in a community. Indicate how will u measure them. 

Discuss briefly different types of attitude scales used in epidemiological studies. 

Enlist the characteristics of a good Interview. What are the advantages and limitations of using an interview in a research study? 

Test the difference in the attitude of male and female subjects using chi-square analysis towards exercise based on the distribution given here with (at 0.5 level of significance):  

Differentiate between two-tailed and one-tailed tests of significance. 

Given below are the hemoglobin levels (gm %) recorded for 10 girls in class X. 9.8, 7.4, 10.3, 11.2, 12.5, 8.5, 9.0, 10.0, 10.5, 12.0 Calculation the mean, median, standard deviation and variance for the hemoglobin levels reported above. 

Differentiate between the following highlighting their uses in epidemiological studies:

 i) Incidence and Prevalence 

ii) Quota sample and snowball sample

iii) Cross sectional and correlational study

b) Enlist the various factors affecting the choice of sampling method. Write down characteristics of a good sample

What are the two sampling methods in research. Explain any two methods of probability sampling. 

Explain the following with examples:

 i) Cohort study

 ii) Randomised control trials

 iii) Case Control study

Define hypothesis. Enumerate basic characteristics of a good hypothesis. Enlist the three forms of Hypothesis.  

Define research. Enlist the various scientific activities involved in a research process

Plant and Equipment

 Recruitment and Selection

Abrasives and Degreasers

Job Enrichment and Job Descriptions 

Stewing and Braising

Baine marie  

Cruet