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

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

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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5.6. 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: Phosphor Type Glass Туре 1 2 3 280 300 290 1 290 310 285 285 295 290 230 260 220 2 235 240 225 240 235 230 (a) Is there any indication that either factor influences brightness? Use a = 0.05. (b) Do the two factors interact? Use a = 0.05. (e) Analyze the residuals from this experiment.
Transcribed Image Text:5.6. 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: Phosphor Type Glass Туре 1 2 3 280 300 290 1 290 310 285 285 295 290 230 260 220 2 235 240 225 240 235 230 (a) Is there any indication that either factor influences brightness? Use a = 0.05. (b) Do the two factors interact? Use a = 0.05. (e) Analyze the residuals from this experiment.
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