A paper company wants to survey its employees about a new policy on sales commissions. Which of the following would result in a stratified random sample?
Answer
A
Give a survey to everyone who was eating lunch in the break room that day.
B
Randomly select 2 people from each department (sales, customer service, accounting, etc.)
C
Put everyone’s name on a slip of paper and randomly pull out 10 names.
D
Using an alphabetized list of employees, randomly select a starting point and survey every 4th person after that.