When extrapolating test scores in order to find meaning, one measure of variability thatcanbe used to show the spread of data as it relates to the mean, or average, score is the:
A)Median
B)Quartile
C)Stanine
D)Standard deviation

Question

Quizplus · Accepted Answer

When extrapolating test scores in order to find meaning, one measure of variability that can be used to show the spread of data as it relates to the mean, or average, score is called the standard deviation. Standard deviations are easily visualized using a bell curve diagram and represent how far a score is from the average of all scores on that particular assessment.

When Extrapolating Test Scores in Order to Find Meaning, One