An article in Industrial Quality Control describes an experiment to investigate the effect of two factors (glass type and phosphor type) on the brightness of a television tube. The response variable measured is the current (in microamps) necessary to obtain a specified brightness level. The data are shown in the following table:Phosphor TypeGlass Type12312803002902903102852852952902230260220235240225240235230(a) State the hypotheses of interest in this experiment.(b) Test the above hypotheses and draw conclusions using the analysis of variance with α= 0.05.(c) Analyze the residuals from this experiment.

An article in Industrial Quality Control describes an experiment to investigate the effect of two factors (glass type and phosphor type) on the brightness of a television tube. The response variable...

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An article in Industrial Quality Control describes an experiment to investigate the effect of two factors (glass type and phosphor type) on the brightness of a television tube. The response variable measured is the current (in microamps) necessary to obtain a specified brightness level. The data are shown in the following table:

Phosphor Type
Glass 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) State the hypotheses of interest in this experiment.

(b) Test the above hypotheses and draw conclusions using the analysis of variance with α= 0.05.

Answered Same Day Dec 24, 2021

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Robert answered on Dec 24 2021

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An article in Industrial Quality Control describes an experiment to investigate the effect of two factors (glass type and phosphor type) on the brightness of a television tube. The response variable...

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