In a standard normal distribution of scores, what approximate percentage of the distribution is represented in the area that falls between +1 and -1 standard deviations?

Question

Quizplus · Accepted Answer

In a standard normal distribution of scores, 68% of the distribution falls within +1 and -1 standard deviations from the mean. This is known as the empirical rule or the 68-95-99.7 rule.

In a Standard Normal Distribution of Scores, What Approximate Percentage