Given a distribution of measurements that is approximately mound-shaped, the Empirical Rule states that the approximate percentage of measurements in a data set that fall within two standard deviations of their mean is approximately:
A) 99%
B) 95%
C) 90%
D) 68%
E) 75%

Question

Quizplus · Accepted Answer

The Empirical Rule states that approximately 95% of measurements in a data set fall within two standard deviations of their mean for a distribution that is approximately mound-shaped.

Given a Distribution of Measurements That Is Approximately Mound-Shaped, the Empirical