When applying the Empirical Rule to a distribution of grades, if a student scored one standard deviation below the mean, then she would be at the 25^th percentile of the distribution.

Question

Quizplus · Accepted Answer

The Empirical Rule states that approximately 68% of data falls within one standard deviation of the mean. This means that scoring one standard deviation below the mean would place a student at approximately the 16th percentile, not the 25th percentile.

When Applying the Empirical Rule to a Distribution of Grades