Three groups of subjects were followed over the course of five years to compare
treatments for sideroblastic anemia. The most appropriate statistical analysis to determine the quantitative serologic differences
resulting from these treatments would be

Malaria cases were reported throughout the world during the year 1971 – 1978 excluding African region. These cases can be best
represented by

There are 50 individual in population and they have same hemoglobin level that is 14g/dL. As there is no variability, the standard
deviation will be:

A mean hemoglobin level of 100 women in a population sample is 12g/dL with standard deviation of 2. The confidence interval for
the population mean would be:

The students of4th year MBBS class visited a school. The numbers of students per class from class I to class IX were as follows:
27, 23, 15, 18, 30, 24, 8, 12 and 16. The median number in this series is:

In a village of 300 population, 60% constitute Hindus, 20% Muslims, 10% Sikhs and 10% Christians. We want to take a sample of
10% of the population to study the eating habits of this population. The best m ethod would be:

The median of a series of 20 observations is 10, mean is 11.5 and mode is 11, which of t he following measures can be subjected
to statistical manipulation:

The distribution of he ights of the girls was plotted. The most frequent value was 5’ – 2”, which gives a single most important clue
to its:

A study of bladder cancer and cigarette smoking produced the following data:
INCIDENCE OF BLADDER CANCER (per 100,000 males per year)
Cigarette smokers 48.0 Non-smokers 25.4 The relative risk of developing bladder cancers compared with non-smokers is: