TABLE 12-20 Three New Different Models of Compact SUVs Have Just Arrived

question 69

Essay

TABLE 12-20
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 Table 12-20, what is the p-value of the Kruskal-Wallis test statistic?

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Definitions:

Direct Materials Quantity Variance

The difference between the actual amount of materials used in production and the expected amount.

Pounds

A unit of weight commonly used in the British imperial and United States customary systems, equivalent to 0.453592 kilograms.

Contribution Margin

The difference between sales revenue and variable costs, used to cover fixed costs and profit.

Flexible Budget

A budget that adjusts or flexes with changes in volume or activity.