With symmetric,"bell-shaped" distributions,approximately what percent of the observations are within two standard deviations of the mean?
A)50%
B)68%
C)95%
D)99.7%

Name: With symmetric,"bell-shaped" distributions,approximately what percent of the observations are within two standard deviations of the mean? A)50% B)68% C)95% D)99.7%
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Question

Quizplus · Accepted Answer

Approximately 95% of the observations are within two standard deviations of the mean in a symmetric, "bell-shaped" distribution, according to the empirical rule.

With Symmetric,"bell-Shaped" Distributions,approximately What Percent of the Observations Are Within