According to the empirical rule,how many observations lie within +/- 3 standard deviation from the mean?
A)50%
B)68%
C)95%
D)Almost all

Name: According to the empirical rule,how many observations lie within +/- 3 standard deviation from the mean? A)50% B)68% C)95% D)Almost all
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Quizplus · Accepted Answer

The empirical rule, also known as the 68-95-99.7 rule, states that for a normal distribution, almost all (99.7%) of the observations lie within 3 standard deviations from the mean.

According to the Empirical Rule,how Many Observations Lie Within +/-