Which of the following yields a systematic sample?
A) All students in a class are divided into groups of 15. One student is randomly chosen from the first group, the remaining observations are every 15th student thereafter.
B) The best 15 students, according to the opinion of the instructor, in a class are selected.
C) All students in a class are grouped according to their gender. A random sample of 8 is selected from the males and a separate random sample of 7 is drawn from the females.
D) A random sample of 15 students is selected from a class without replacement.

Question

Quizplus · Accepted Answer

A systematic sample involves selecting every nth individual from a population after randomly selecting an individual to start with. In option A, the first individual is randomly selected from the first group of 15, and then every 15th student after that is selected, making it a systematic sampling method.

Which of the Following Yields a Systematic Sample