Based on the Empirical Rule, what percent of the observations will lie between plus or minus two standard deviations from the mean?
A) 95%
B) 5%
C) 68%
D) 2.5%

Question

Quizplus · Accepted Answer

The Empirical Rule states that approximately 68% of observations will fall within one standard deviation of the mean, 95% within two standard deviations of the mean, and 99.7% within three standard deviations of the mean. Therefore, the answer is A) 95%.

Based on the Empirical Rule, What Percent of the Observations