If a distribution follows the rule of 68-95-99.7, what can a researcher conclude?
A) 95% of the data will fall within two standard deviations from the mean.
B) 68% of the data will fall at the median, or 50th percentile.
C) 99.7% of the data will fall within the data range.
D) 68% of the data will show normal distribution.

Question

Quizplus · Accepted Answer

The 68-95-99.7 rule, also known as the empirical rule, states that for a normal distribution, approximately 68% of the data falls within one standard deviation, 95% within two standard deviations, and 99.7% within three standard deviations from the mean.

If a Distribution Follows the Rule of 68-95-99