5-1 hw - 5-4: (By Hand) An article in Industrial Quality...

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Unformatted text preview: 5-4: (By Hand) An article in Industrial Quality Control 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 micro amps) to obtain a specified brightness level. The data are as follows: Glass Type Phosphor Type 1 2 3 1 280 300 290 290 310 285 285 295 290 2 230 260 220 235 240 225 240 235 230 (a) Is there any indication that either factor influences brightness? Use α = 0.05. (b) Do the two factors interact? Use α = 5%. c) Analyze the residuals. Are there any obvious problems? ...
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This note was uploaded on 11/25/2010 for the course ECE 3500 taught by Professor P during the Spring '10 term at Barton Community College.

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