If a researcher wishes to establish groups of individuals based on low and high scores on some measure, they may use the ___________ to find the 25th and 75th percentiles of the set of scores to create their groups.
A)variance
B)standard deviation
C)range
D)interquartile range

Question

Quizplus · Accepted Answer

The interquartile range is used to find the 25th and 75th percentiles, which can help in establishing groups based on low and high scores.

If a Researcher Wishes to Establish Groups of Individuals Based