Solution: For each of the following exercises, use the
Chapter 13, Problem 25E(choose chapter or problem)
For each of the following exercises, use the previous data to complete these parts.
(a) Apply Fisher’s LSD method with \(\alpha=0.05\) and determine which levels of the factor differ.
(b) Use the graphical method to compare means described in this section and compare your conclusions to those from Fisher’s LSD method.
Coating type in Exercise 13-9. Use \(\alpha=0.01\)
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.
Equation Transcription:
Text Transcription:
\alpha=0.05
\alpha=0.01
\alpha=0.01
95%
99%
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