Which of the following can be used to determine the percentage of data values that must be within one, two, and three standard deviations of the mean for data having a bell-shaped distribution?
A)Chebyshev's theorem
B)the empirical rule
C)the five-number summary
D)a box plot
E)the interquartile range

Question

Quizplus · Accepted Answer

The empirical rule specifically applies to data with a bell-shaped (normal) distribution, stating that approximately 68% of data falls within one standard deviation of the mean, about 95% within two standard deviations, and about 99.7% within three standard deviations.

Which of the Following Can Be Used to Determine the Percentage