For the normal distribution,the mean plus and minus two standard deviations will include about what percent of the observations?
A)50%
B)99.7%
C)95%
D)68%

Name: For the normal distribution,the mean plus and minus two standard deviations will include about what percent of the observations? A)50% B)99.7% C)95% D)68%
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Question

Quizplus · Accepted Answer

The mean plus and minus two standard deviations include about 95% of the observations in a normal distribution. This is also known as the 95% confidence interval.

For the Normal Distribution,the Mean Plus and Minus Two Standard