A preliminary experiment is conducted to study the effects of four factors and their interactions on the
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A preliminary experiment is conducted to study the effects of four factors and their interactions on the output of a certain machining operation. Two runs are made at each of the treatment combinations in order to supply a measure of pure experimental error. Two levels of each factor are used, resulting in the data shown here. Make tests on all main effects and interactions at the 0.05 level of significance. Drawconclusions.
Transcribed Image Text:
Treatment Combination Replicate 1 Replicate 2 7.9 (), 9.6 9.1 8.6 10.4 7.1 11.1 16.4 10.2 5.8 12.0 8.3 12.3 15.5 8.7 15.2 5.8 ab ac ad be 7.1 12.6 bd cd abc abd 4.7 7.4 21.9 9.8 10.9 21.9 7.8 acd bed abcd 13.8 11.2 10.2 12.8 11.1 14.3
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Related Book For
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
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