A sample of 300 subscribers to a particular magazine is selected from a population frame of 9,000 subscribers. If, upon examining the data, it is determined that no subscriber had been selected in the sample more than once,
A) the sample could not have been random.
B) the sample may have been selected without replacement or with replacement.
C) the sample had to have been selected with replacement.
D) the sample had to have been selected without replacement.

Question

Quizplus · Accepted Answer

The sample may have been selected without replacement or with replacement because the fact that no subscriber was selected more than once does not provide enough information to determine whether replacement was used.

A Sample of 300 Subscribers to a Particular Magazine Is