One statistic that tells researchers how much participants' scores vary from one another is the
A) weighted mean.
B) standard deviation.
C) correlation coefficient.
D) inferential statistic.

Question

Quizplus · Accepted Answer

Standard deviation measures the spread or variability of a set of scores, indicating how much the scores deviate from the mean. It is a commonly used measure of how much participants differ from one another in a research study. The other options do not directly measure variability among scores.

One Statistic That Tells Researchers How Much Participants' Scores Vary