Consider the data in Problem 5-6. Analyze the data, assuming that replicates are blocks.

Problem 5-6.

The factors that influence the breaking strength of a synthetic fiber are being studied. Four production machines and three operators are chosen and a factorial experiment is run using fiber from the same production batch. The results are as follows:

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Machine Operator 2 3 4 1 109 110 108 110 110 115 109 108 110 110 111 114 112 111 109 112 116 112 114 120 114 115 119 117 2. 3.