1. Method commonly used to represent variations around mean:

Question 1 of 20

2. If mean is less than the median, than the data is said to be

Question 2 of 20

3. A screening test is used in the same way in two similar populations; but the proportion of false positive results among those who test positive in population A is lower than those who test positive in population B. What is the likely explanation?

Question 3 of 20

4. Barefoot doctor term has evolved from

Question 4 of 20

5. In 3x3 table, the degree of freedom is

Question 5 of 20

6. Reference ages for pathfinder survey:

Question 6 of 20

7. Vitamin A prophylaxis is an example of

Question 7 of 20

8. A test comes negative but the disease was present in subject. This is

Question 8 of 20

9. Developing an answer or a solution to an already known problem or a question which can be quantified and analysed is known as:

Question 9 of 20

10. Anganwadi Worker (AWW) is appointed for population

Question 10 of 20

11. Study carried out among children of around 12yr age group in an orphan house with less carbohydrate diet is

Question 11 of 20

12. According to Dunning classification, the screening procedure only using tongue depressor and available illumination inspection in school children and to identify the treatment needs

Question 12 of 20

13. Recently two methods of cPAP: conventional and bubble cPAP were compared. In the conventional method, 90 out of 160 showed extubation failure while 40 out of 160 showed extubation failure in the bubble method. Which test would be the best to compare the statistical significance between the rates of extubation failure in the two tests

Question 13 of 20

14. The usefulness of a screening test depends upon its

Question 14 of 20

15. In a community trial, every 5th house in a village was selected for sampling. This type of sampling is called as

Question 15 of 20

16. Consort statement is applicable for

Question 16 of 20

17. An investigator observes that five independent risk factors influence the occurance of a disease. Which of the following statistical tests should be applied to assess the relationship between these 5 risk factors and the occurance of disease:

Question 17 of 20

18. Which of the following statements about confidence limits/ interval is true:

Question 18 of 20

19. A child shows skeletal fluorosis when he is drinking water for a long time with excess fluoride level of:

Question 19 of 20

20. An investigator wants to study the association between maternal intake of iron supplements (Yes/ No) and birth weights (in gms) of newborn babies. He collects relevant data from 100 pregnant women and their newborns. What statistical test of hypothesis would you advise for the investigator in this situation?

Question 20 of 20