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) 95.44
B) 68.26
C) 93.75
D) 88.89

Question

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) 95.44
B) 68.26
C) 93.75
D) 88.89

Quizplus · Accepted Answer

The empirical rule, also known as the 68-95-99.7 rule, states that for a normal distribution, approximately 95% of the data falls within 2 standard deviations of the mean.

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