If a set of data is normally distributed, then about _______________ of the data lie within one standard deviation below the mean.
A)34%
B)47.5%
C)68%
D)95%

Question

Quizplus · Accepted Answer

In a normal distribution, about 34% of the data lies within one standard deviation below the mean, and another 34% lies within one standard deviation above the mean, making up approximately 68% of the data within one standard deviation of the mean.

If a Set of Data Is Normally Distributed, Then About