Catherine Chao, Director of Marketing Research, Needs a Sample of Households

Multiple Choice

Catherine Chao, Director of Marketing Research, needs a sample of households to participate in the testing of a new toothpaste package.She directs the seven members of her staff to find five households each.Catherine's sample is a _____________.

A) cluster sample
B) proportionate stratified sample
C) quota sample
D) disproportionate stratified sample
E) simple random sample