Question

Three brands of tires were tested on each of four makes of car. Three cars of each make were used. The number of miles traveled, in thousands, is given as follows for each car.
a. Can you reject the hypothesis of no interactions? Explain.
b. Can the main effect of car type on number of miles traveled be interpreted?
If so. interprvt the main effect. using the a = 0.05 level of significance. If not, explain why not.
c. Can the main effect of tire on number of miles traveled be interpreted? If so. interpret the main effect, using the a = 0.05 level of significance. If not. explain why not.


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  • CreatedOctober 05, 2015
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