Suppose you have a normal distribution of scores with a mean of 80 and a standard deviation of 5. What is the approximate value of a score with a percentile rank of 16 percent?

Question

Quizplus · Accepted Answer

A score with a percentile rank of 16 percent in a normal distribution falls approximately -1 standard deviation below the mean. Given a mean of 80 and a standard deviation of 5, a score -1 standard deviation from the mean would be 80 - 5 = 75.

Suppose You Have a Normal Distribution of Scores with a Mean