Use Tukey's test to determine which levels of the pressure factor are significantly different for the data
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Use Tukey's test to determine which levels of the pressure factor are significantly different for the data in Problem 5-1.
Problem 5-1.
The yield of a chemical process is being studied. The two most important variables are thought to be the pressure and the temperature. Three levels of each factor are selected, and a factorial experiment with two replicates is performed. The yield data follow:
Transcribed Image Text:
Pressure (psig) Temperature (°C) 200 215 230 150 90.4 90.7 90.2 90.2 90.6 90.4 160 90.1 90.5 89.9 90.3 90.6 90.1 170 90.5 90.8 90.4 90.7 90.9 90.1
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Calculate the means for each pressure level Calculate the mean yield for each level of pressure Pressure level 150 904 907 2 9055 Pressure level 160 9...View the full answer
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