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I need assistance with this question. An article in Industrial and Engineering Chemistry (More on Planning Experiments to Increase Research Efciency, 1970, pp. 60-65) uses
I need assistance with this question.
An article in Industrial and Engineering Chemistry ("More on Planning Experiments to Increase Research Efciency," 1970, pp. 60-65) uses a 25-2 design to investigate the effect of A = condensation temperature, B = amount of material 1, C = solvent volume, D = condensation time, and E = amount of material 2 on yield. The results obtained are as follows:
e = 23.2; ad =16.9; cd = 23.8;bde = 16.8
ab = 15.5; bc = 16.2 ace = 23.4; abcde = 18.1
How would I plot the residuals versus the tted values for this design?
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