In a normal distribution, what proportion of scores fall within the interval between the mean and the lowest value in the distribution?
A).250
B).500
C).750
D)None of the above

Question

Quizplus · Accepted Answer

In a normal distribution, the mean is at the center and half of the scores fall below the mean and half the scores fall above the mean. Therefore, the proportion of scores between the mean and the lowest value in the distribution is 0.5 or 50%, which is option B.

In a Normal Distribution, What Proportion of Scores Fall Within