The empirical rule can be used to estimate some proportions when data has what shape?
A)Any shape
B)When it is skewed to the left
C)When it is skewed to the right
D)When it is approximately symmetric and bell-shaped

Question

Quizplus · Accepted Answer

The empirical rule can only be used to estimate proportions when the data is approximately symmetric and bell-shaped. The rule assumes that the data follows a normal distribution, which is an example of a symmetric and bell-shaped distribution.

The Empirical Rule Can Be Used to Estimate Some Proportions