Which of the following sampling method is appropriate to study the prevalence of AIDS amongst male and female in India in 1976, 1986, 1996 and 2006?
A. Cluster sampling
B. Systematic sampling
C. Quota sampling
D. Stratified random sampling
Answer:B
Which of the following sampling method is appropriate to study the prevalence of AIDS amongst male and female in India in 1976, 1986, 1996 and 2006?
A. Cluster sampling B. Systematic sampling C. Quota sampling D. Stratified random sampling