According to the empirical rule, how many observations lie within +/- 2 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 +/- 2 standard deviation from the mean? A) 50% B) 68% C) 95% D) almost all
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Question

According to the empirical rule, how many observations lie within +/- 2 standard deviation from the mean?​
A) ​50%
B) ​68%
C) ​95%
D) ​almost all

Quizplus · Accepted Answer

The empirical rule states that approximately 95% of observations lie within +/- 2 standard deviations from the mean in a normal distribution.

According to the Empirical Rule, How Many Observations Lie Within