According to the empirical rule,if the data form a "bell-shaped" normal distribution,percent of the observations will be contained within 1 standard deviation around the arithmetic mean.
A)68.26
B)75.00
C)88.89
D)93.75

Question

Quizplus · Accepted Answer

The empirical rule states that approximately 68% of the observations will be within one standard deviation around the mean for a normal distribution. Therefore, choice A is the correct answer. Choices B, C, and D are all too high and do not align with the empirical rule.

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