Question

A market researcher randomly selects 200 homeowners under 65 years of age and 200 homeowners over 65 years of age. What sampling technique was used? 13) A) simple random B) systematic C) convenience D) stratified E) cluster

Answer 1

D) stratified

Step-by-step explanation:

Stratified sampling is one of the sampling methods in which the total population is further divided into sub populations. The total members of the group are divided into smaller units so that each group is left with homogeneous subgroups. This type of sampling method helps in the reduction of error in sampling. In the above case, the market researcher applies the method of stratified sampling technique.