A Data Set of Gas Consumption for Trucks (In Miles

question 23

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.

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Definitions:

Escape Response

A behavioral reaction by an organism to avoid or flee from an unpleasant or threatening stimulus.

Avoidance Response

A behavior that aims to prevent the occurrence of an unpleasant experience or situation by avoiding the stimulus that leads to it.

Unconditioned Response

An innate, involuntary response to a stimulus that happens without any previous education or conditioning.

Rowdy

Behaving in a noisy, disorderly, and often disruptive manner, typically as a part of a group or gathering.