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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
An article in Industrial Quality Control (1956, pp. 5–8) describes an experiment to investigate the effect of the type of glass and the type of phosphor on the brightness of a television tube. The response variable is the current necessary (in microamps) to obtain a specified brightness level. The data are as follows:

(a) Is there any indication that either factor influences brightness? Use α = 0.05.
(b) Do the two factors interact? Use α = 0.05.Â
(c) Analyze the residuals from this experiment.
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