A random sample of 4 different models of automobiles wanted to detemiine if the mean miles per gallon (mpg) are different. The following table is an ANOVA table from R, some values of the table are deliberately missing. H Analysis of Vsriues stIs I. H Response: up; H D! Bus Sq ban Sq P value Prbl') H car 3 134.001 \".667 H Residuals 16 52.588 3.287 We want to know if there is a difference in the mean gas mileage for these 4 different models? Part a: Give the hypotheses of this test. Part b: Calculate the test statistic. Part c: Determine the pvalue. Part (1: Give the decision and conclusion of the test in context of this