Operating chemical process

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Reference no: EM131831014

An experiment is run on an operating chemical process in which four variables are changed in accordance with a randomized factorial plan:

2486_operating chemical process.png

(a) Make a table of plus and minus signs from which the various effects and interactions could be calculated.

(b) Calculate the effects.

(c) Assuming three-factor and higher order interactions to be zero, compute an estimate of the error variance.

(d) Make normal plots.

(e) Write a report, setting out the conclusions to be drawn from the experiment, and make recommendations. (Assume that the present conditions of operation are as follows: 1 = 5%, 2 = 40%, 3 = 10 rpm,. 4 = l80°F.)

(l) Show pictorially what your conclusions mean.

Reference no: EM131831014

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