A symmetric,bell-shaped frequency distribution that is completely defined by its mean and standard deviation is the ________ distribution.
A)gamma
B)Poisson
C)bimodal
D)normal
E)uniform

Question

Quizplus · Accepted Answer

The normal distribution is a symmetric, bell-shaped frequency distribution that is completely defined by its mean and standard deviation. The other options (gamma, Poisson, bimodal, and uniform distributions) have different characteristics and cannot be completely defined by just their mean and standard deviation.

A Symmetric,bell-Shaped Frequency Distribution That Is Completely Defined by Its