Question

a corporation employs 2000 male and 500 female engineers. A stratified random sample of 200 male and 50 female engineers gives every individual in the population the same chance to be chosen for the sample. Is it an SRS? Explain your answer.

Answer 1

Yes, an SRS by definition is a sample that is divided into groups that share an attribute and then those groups are combined. In this case the groups are divided by gender.