TABLE 12-15 Two New Different Models of Compact SUVs Have Just Arrived

question 120

Multiple Choice

TABLE 12-15
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 12-15,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:

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A condition where occupants of a building experience health and comfort effects that appear to be linked to time spent in the building, but no specific illness or cause can be identified.

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