12.38 Suppose that three automobile engine designs are being compared to determine differences in mean time between

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12.38 Suppose that three automobile engine designs are being compared to determine differences in mean time between breakdowns.

a Show how three test automobiles and three different test drivers could be used in a 3  3 Latin square design aimed at comparing the engine designs.

b Write the linear model for the design in part (a).

c What null hypothesis would you test to determine whether the mean time between breakdowns differs for the engine designs?

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Probability And Statistics For Engineers

ISBN: 9781133006909

5th Edition

Authors: Richard L Scheaffer, Madhuri Mulekar, James T McClave, Cecie Starr

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