One main characteristic of a normal distribution is that ______.
A) the percentage of cases in each standard deviation is known
B) it is brief, clear, and simply conducted
C) it occurs in several phases
D) it combines cluster and individual random sampling

Question

Quizplus · Accepted Answer

In a normal distribution, the percentage of cases falling within each standard deviation is known and follows the empirical rule. For example, approximately 68% of the data falls within one standard deviation, about 95% falls within two standard deviations, and almost all of the data (99.7%) falls within three standard deviations.

One Main Characteristic of a Normal Distribution Is That ______