Data Set 14 in Appendix B includes highway fuel consumption amounts for cars with 4 cylinders, 6

Question:

Data Set 14 in Appendix B includes highway fuel consumption amounts for cars with 4 cylinders, 6 cylinders, and 8 cylinders. Analysis of variance is used with the highway fuel consumption amounts (mi/gal) 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.