A standard deviation is a measure of
A)how well the students met the tested objectives.
B)the distance between the median and the extreme scores.
C)the spread of scores around the mean.
D)the level of validity for the test.

Question

Quizplus · Accepted Answer

Standard deviation is a measure of the spread of scores around the mean. Option A refers to the test objectives, Option B refers to the range, and Option D refers to the test validity, which are not related to standard deviation.

A Standard Deviation Is a Measure of