The distribution of gas consumption for SUVs driving on flat highways is approximately Normal with a center of 24.8 mpg and a standard deviation of 5 mpg. Which one of the following statements would explain a larger spread of the normal distribution?
A)The standard deviation was 7.5 mpg.
B)The standard deviation was 2.5 mpg.
C)The center of the distribution is greater than 24.8 mpg.
D)The center of the distribution is less than 24.8 mpg.

Question

Quizplus · Accepted Answer

The spread of a normal distribution is determined by its standard deviation. A larger standard deviation, such as 7.5 mpg compared to 5 mpg, indicates a larger spread of the distribution.

The Distribution of Gas Consumption for SUVs Driving on Flat