A sample is
A) a measure of central tendency.
B) a measure of variability.
C) the same as the z-score or standard deviation.
D) a portion of a population.

Question

Quizplus · Accepted Answer

A sample is a subset of a population that is selected to represent the entire group. Therefore, D is the correct choice as it describes what a sample is. Choice A and B are incorrect as they refer to different statistical concepts. Choice C is incorrect as a sample is not the same as a z-score or standard deviation.

A Sample Is