A variable is normally distributed. Approximately what percent of cases have values within two standard deviations of the mean?
A) 50%
B) 68%
C) 95%
D) 99.7%

Name: A variable is normally distributed. Approximately what percent of cases have values 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 fall within two standard deviations of the mean in a normal distribution.

A Variable Is Normally Distributed