Coating type in Exercise 13-9. Use α = 0.01. (a) Apply Fishers LSD method with α =
Question:
(a) Apply Fishers LSD method with α = 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 Fishers LSD method.
Exercise 13-9
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.
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Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger
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