An electronics engineer is interested in the effect on
Chapter 13, Problem 9E(choose chapter or problem)
An electronics engineer is interested in the effect on tube conductivity of five different types of coating for cathode ray tubes in a telecommunications system display device. The following conductivity data are obtained.
(a) Is there any difference in conductivity due to coating type? Use \(\alpha=0.01\).
(b) Analyze the residuals from this experiment.
(c) Construct a 95% interval estimate of the coating type 1 mean. Construct a 99% interval estimate of the mean difference between coating types 1 and 4
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