Which of the following is included in the empirical rules?
A)Approximately 59% of the observations will fall within two standard deviations of the mean,or within x ± 2s.
B)Approximately 68% of the observations will fall within one standard deviation of the mean,or between x - s and x + s.
C)Approximately 89% of the observations will fall within three standard deviations of the mean,or within x ± 3s.
D)Approximately 28% of the observations will fall within three standard deviations of the mean,or within x ± 3s.

Question

Quizplus · Accepted Answer

The empirical rule, also known as the 68-95-99.7 rule, states that for a normal distribution, approximately 68% of the observations fall within one standard deviation of the mean. This is accurately reflected in option B.

Which of the Following Is Included in the Empirical Rules