What's the type of sampling, if a random sample is taken from a characteristic population. eg. Hindus, Muslims, Christian etc-
Stratified random sample is deliberately drawn in a systematic way so that each poion of the sample represents corresponding strata of universe. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 913
Simpe random
Stratified random
Systematic random
Cluster
Epidemiology