SCENARIO 12-17 Three New Different Models of Compact SUVs Have Just Arrived

question 15

Multiple Choice

SCENARIO 12-17
Three new different models of compact SUVs have just arrived at the market.You are interested in comparing the gas mileage performance of all three models to see if they are the same.A partial computer output for twelve compact SUVs of each model is given below:
You are told that the gas mileage population distributions for all three models are not normally distributed.
-Referring to Scenario 12-17,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:

Gentle Slope

A terrain feature with a relatively mild incline, often found in hills, plains, and other landforms, facilitating easier movement and agriculture.

Steep Slope

A terrain with a high gradient or incline, often leading to rapid runoff of water and increased erosion risks.

Soil Formation

Soil formation, or pedogenesis, is the process by which rocks break down and decompose to form soil, involving physical, chemical, and biological factors.

Calcium Carbonate

A chemical compound found in rocks, shells, and marine organisms, commonly used as a building material and in manufacturing.