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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