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) 93.75
C) 75.00
D) 88.89

Question

Quizplus · Accepted Answer

The empirical rule states that approximately 68% of the observations will be contained within 1 standard deviation around the mean in a normal distribution. This means that if the data form a "bell-shaped" normal distribution, we can expect 68.26% of the observations to fall within one standard deviation of the mean. Therefore, choice A is the correct answer.

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