Question

a paper company wants to survey its employees about a new policy on sales commission. which of the following would result in a stratified random sample?A. give a survey to everyone who was eating lunch in the braK room that day. B. randomly select 2 people from each department c. put everyone's name on a slip of paper and randomly pull out 10 namesd. using an alphabetized list of employees randomly select a starting point and survey every 4th person after that

Answer 1

Stratified random sample

We want to find a simpling that involves the division of a population into smaller sub-groups.

Answer: B. In the stratified sampling you have to separate the population into subgroups and then take a sample of each group