APFIVE Empirical Rule for a Normal Distribution
All of the following statements about the empirical rule in a normal distribution are true except:
A
Approximately 99.7% of the values lie within 3 standard deviations of the mean.
B
Approximately 95% of the values lie within 2 standard deviations of the mean.
C
Approximately 95% of the values lie within 1 standard deviation of the mean.
D
Approximately 68% of the values lie within 1 standard deviation of the mean.
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