Guide :High School

In a normal distribution what percent of values fall within one standard deviation of the mean?

In a normal distribution what percent of values fall within one standard deviation of the mean? 19.1% 15% 30% 68.2%
Roughly 68% of the distribution is between z = -1 and z = +1, ie within 1 standard deviation of the mean. This is from the 68-95-99.7 rule or better known as the Empirical Rule. The final answer is choice D) 68.2% ...

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