An electronics engineer is interested in the effect on tube conductivity of five different types of coating
Question:
(a) Is there any difference in conductivity due to coating type? Use a = 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.
Transcribed Image Text:
Coating Type Conductivity 143 141 150 146 2 152 149 137 143 134 133 132 127 129 127 132 129 147 148 144 142
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Related Book For
Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger
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