Which of the following statements is correct about a parameter and a statistic associated with repeated random samples of the same size from the same population?
A) Values of a parameter will vary from sample to sample but values of a statistic will not.
B) Values of both a parameter and a statistic may vary from sample to sample.
C) Values of a parameter will vary according to the sampling distribution for that parameter.
D) Values of a statistic will vary according to the sampling distribution for that statistic.

Question

Quizplus · Accepted Answer

Parameters are constants that describe a characteristic of a population, so they do not vary from sample to sample. Statistics, however, are calculated from sample data and can vary from sample to sample, hence they have a sampling distribution.

Which of the Following Statements Is Correct About a Parameter