Car Gas Efciencies The data set in DS 11.5.2 concerns the
Chapter 15, Problem 15.5.9(choose chapter or problem)
Car Gas Efciencies The data set in DS 11.5.2 concerns the gas mileages of four cars.(a) Use the Kruskal-Wallis test procedure to investigate whether any of the cars are getting better gas mileages than the other cars. (b) Repeat this analysis using an analysis of variance table. (c) What assumptions are required for the Kruskal-Wallis test procedure? What assumptions are required for the F-test in the analysis of variance table? Which analysis method do you prefer?
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