3.20 The investigators from Exercise 3.19 suspected that in addition to temperature, the yield might also depend

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3.20 The investigators from Exercise 3.19 suspected that in addition to temperature, the yield might also depend on the speed of the mixer. Along with temperatures 100°F, 150°F, and 200°F, they decided to compare two different speeds of the mixer, 1,200 and 1,800 rpm (revolutions per minute).

a Identify treatments.

b Design an experiment to compare yield at different temperatures and speeds.

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Probability And Statistics For Engineers

ISBN: 9781133006909

5th Edition

Authors: Richard L Scheaffer, Madhuri Mulekar, James T McClave, Cecie Starr

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