A Data Set of Gas Consumption for Trucks (In Miles

Multiple Choice

A data set of gas consumption for trucks (in miles per gallon) is approximately normally distributed with a center of 24.8 mpg and a standard deviation of 5 mpg. Which one of the following statements would explain a smaller 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 would be greater than 24.8mpg.
D) The center of the distribution would be less than 24.8 mpg.