Question: Car Weight and Fuel Consumption Data Set 14 in Appendix:Data Sets includes highway fuel consumption amounts for cars with 4 cylinders, 6 cylinders, and 8

Car Weight and Fuel Consumption Data Set 14 in Appendix:Data Sets includes highway fuel consumption amounts for cars with 4 cylinders, 6 cylinders, and 8 cylinders. (The 5-cylinder Volvo S60 is excluded from this exercise.) Analysis of variance is used with the highway fuel consumption amounts (mi/gal) for cars categorized according to the number of cylinders (4, 6, 8); the results are shown in the following display. Identify the null hypothesis, test statistic, and P-value, and state the final conclusion in nontechnical terms. XLSTAT Analysis of variance: Source DF Sum of squares Mean squares F

XLSTAT Analysis of variance: Source DF Sum of squares Mean squares F Pr> F Model 2 215.300 107.650 10.097 0.001 Error 17 181.250 10.662 Corrected Total 19 396.550

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