Which of the following is not required for a simple random sample from a population of 20 individuals?
A)Each individual in the population has a 1/20 probability of being selected.
B)The selection of one individual is independent of the selection of any other individual.
C)After 20 selections,each individual must have been selected exactly one time.
D)The individual obtained on any specific selection must be unpredictable.

Question

Quizplus · Accepted Answer

A simple random sample does not require that each individual be selected exactly once. It only requires that each individual has an equal probability of being selected and that selections are independent and unpredictable. Therefore, option C is not required for a simple random sample from a population of 20 individuals.

Which of the Following Is Not Required for a Simple