Whole picture

A research firm tests the miles-per gallon characteristics of three brands of gas selected and treated as blocks In the exp nit; that is, each brand of auto Gasoline Brands III 24 20 24 () At e - 0.05, Is there a significant difference in the mean miles-per-gallon characteristics of the three brands of gasoline? State the null and alternative hypotheses Hm O He: Not all the population means are equal. Has Not all the population means are equal. O Ho At least two of the pop on means are equal. Had At least two of the population means are different. Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) State your conclusion. O Reject My There is sufficient evidence to co ors ratings for the three brands of gas Time are not all equal O Do not reject Ho: There is not sufficient evidence tings for the three brands of gascille are not all equal O Reject He. There is not some ings for the three brands of gasoline are not all equal. Do not reject Me. There is sufficient evidence to to allan ratings for the three brands of gasoline are not all equal. () Analyze the exp razed designs. (use a - 0.05.) Find the value of the test statistic. (hound your ans (decimal places.) Find the p-value. (Round your answer to three decimal places.) State your conclusion O Reject Por There is not sufficient evidence to c is of gas aline are not all equal. Do net reject My. There is sufficient evidence In ands of gusoline are riot all equal. O Do not reject Hyr There is not sufficient evidence to cond ge for the three brands of gasoline are not ail equal. O Reject Hy There Is sufficient evidence to conclude that the men for the three brands of gasoline are not all request. Compare your findings ings with these obtained in part (@). O The conclusion is the same as the cone in in part () The to it () what is the advantage of site O we must There Is no ad O We mustmay need ent; that is, each brand of automobile is tested with each type of gasoline. The results of the experiment (In miles per gallon) follow. arch firm tests the Gasoline Brands A 17 21 20 24 C 30 D 22 25 E 20 23 2 (8) At a - 0.05, is there a significant difference in the mean charactertitles of the three brands of gasoline State the null and alter alive hypotheses Hey Not all the population n means are equal His Met all the population means are equal. He At least bie of the p on means are equal. Had At least two of the putation meanis are different and the walus of the best statistic. (Pand your answer to two decimal places.) Find the pevalue. (Round your answer to three decimal places.) State your conclusion. O Reject No. There Is the three brands of gasoline are not all equal O Do not reject My. There is not sul tings for the thren brands of gasoline are not all equal O Reject Hor There is not sufficient evidence to o ratings for the three brands of gasoline are not all equal. O Do not reject My. There is sufficient evidence to candy er-gatton ratings for the three brands of gasoline are not all equal (b) Analyze the Expen meal data using the ANOVA procedure for c designs. (use a = D.05) Find the value of the best statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) State your conchest O Reject He. There Is not sur in ratings for the three brands of gasol O Do not reject Ho. There Is suffer ton ratings for the three brands of gasoline are not all equal. Do not reject My. There is not wiffcent ev stings for the three brands of gasoline are not all equal. O Reject My There is sufficient evidence to conclude that the men stings for the three brands of gasoline are set i'll equal compare your findings with these obtained in part (a). The conclusion is the same as the conclusion In part (o). The core ant from the cond what is the advantage of a pong to remove the block effect? We mant rer rence due to the brand of gosling O There is no adva stock effect O We must anice tun to the brand of gasca DETAILS