Question

Refer to Exercise 16.20.
a. Test whether the three equations relating thickness to temperature are parallel.
b. Test at the α = .05 level if there is a significant difference in the mean thicknesses of the coating from the three processes after adjusting for the temperature in the lab.
c. Place 95% confidence intervals on the mean adjusted thicknesses of the coating for the three processes.
In exercise


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  • CreatedNovember 21, 2015
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