The empirical rule states that, for data having a bell-shaped distribution, the portion of data values being within one standard deviation of the mean is approximately _____.
A) 33%
B) 50%
C) 68%
D) 95%

Question

Quizplus · Accepted Answer

The empirical rule states that for data having a normal distribution, approximately 68% of the data values fall within one standard deviation of the mean.

The Empirical Rule States That, for Data Having a Bell-Shaped