If a person's score is part of a normal distribution of scores, we can determine the relative rank of that score if we know
A) the person's score.
B) the mean of the distribution.
C) the standard deviation of the distribution.
D) we must know all of these

Question

Quizplus · Accepted Answer

To determine the relative rank of a person's score within a normal distribution, it is necessary to know the person's score, the mean of the distribution, and the standard deviation of the distribution. These pieces of information allow for the calculation of a z-score, which can then be used to determine the score's percentile rank within the distribution.

If a Person's Score Is Part of a Normal Distribution