The empirical rule says that approximately what percentage of the values would be within 2 standard deviations of the mean in a bell shaped set of data?
A)95%
B)68%
C)50%
D)97.7%
E)100%

Question

Quizplus · Accepted Answer

The empirical rule, also known as the 68-95-99.7 rule, states that for a normal distribution, approximately 95% of the data falls within 2 standard deviations of the mean.

The Empirical Rule Says That Approximately What Percentage of the Values