According to the empirical rule,if the data form a "bell-shaped" normal distribution,percent of the observations will be contained within 2 standard deviations around the arithmetic mean.
A)68.26
B)88.89
C)93.75
D)95.44

Question

Quizplus · Accepted Answer

According to the empirical rule, approximately 95.44% of the observations will be contained within 2 standard deviations around the arithmetic mean. This means that 68.26% of the observations will be within one standard deviation and 99.73% will be within three standard deviations. Therefore, D is the best choice as it is closest to the actual percentage.

According to the Empirical Rule,if the Data Form a "Bell-Shaped