In order to calculate a percentile rank, you need to know
A)how many cases are below the score of interest.
B)whether the distribution is normal or skewed.
C)the standard deviation of the scores.
D)the nature of the underlying scale.

Question

Quizplus · Accepted Answer

To calculate a percentile rank, the key information needed is how many cases are below the score of interest. This allows you to determine the percentage of scores that fall below a particular score, which is what a percentile rank represents.

In Order to Calculate a Percentile Rank, You Need to Know