Question: An article in Industrial Quality Control (1956, pp. 58) describes an experiment to investigate the effect of glass type and phosphor type on the brightness

An article in Industrial Quality Control (1956, pp. 5€“8) describes an experiment to investigate the effect of glass type and phosphor type on the brightness of a television tube. The response measured is the current necessary (in microamps) to obtain a specified brightness level. The data are shown in Table 8E.1. Analyze the data and draw conclusions.

An article in Industrial Quality Control (1956, pp. 5€“8) describes

Glass Phosphor Type Type 1 23 280 300 290 1 290 310 285 285 295 290 230 260 220 2 235 240 225 240 235 230

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This experiment is three replicates of a factorial design in two factorstwo levels of glass type and three levels of phosphor typeto investigate brigh... View full answer

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