In a normal distribution,approximately 95% of all scores fall between standard scores of _____.

Question

Quizplus · Accepted Answer

The rule for a normal distribution is that approximately 68% of all scores fall between -1 and +1 standard deviations, approximately 95% of all scores fall between -2 and +2 standard deviations, and approximately 99.7% of all scores fall between -3 and +3 standard deviations. Therefore, the best choice that covers the 95% of all scores is C, which is between -2 and +2 standard deviations.

In a Normal Distribution,approximately 95% of All Scores Fall Between