TABLE 12-18 Two New Different Models of Compact SUVs Have Just Arrived

question 97

Multiple Choice

TABLE 12-18
Two new different models of compact SUVs have just arrived at the market. You are interested in comparing the gas mileage performance of both models to see if they are the same. A partial computer output for twelve compact SUVs of model 1 and thirteen of model 2 is given below:

You are told that the gas mileage population distributions for both models are not normally distributed.
-Referring to Table 12-18, what is your conclusion on the test using a 5% level of significance?

• A) There is not enough evidence of a difference in median gas mileage.
• B) There is evidence of a difference in median gas mileage.
• C) There is not enough evidence of a difference in mean gas mileage.
• D) There is evidence of a difference in mean gas mileage.

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Definitions:

Smoking Again

The act of resuming smoking tobacco after a period of cessation, often highlighting the challenges of addiction and the need for ongoing support in quitting.

Contemplation Stage

A phase in the stages of change model where an individual is aware of the need for change but is ambivalent or undecided about making the change.

Contemplation Stage

A stage in the Transtheoretical Model of Change where an individual acknowledges a problem and starts thinking about making a change.

Smoking Cessation

The process of discontinuing tobacco smoking habits.