Question: Consider the data from Exercise 14-14. Suppose that the data from the second replicate were not available. Analyze the data from replicate I only and

Consider the data from Exercise 14-14. Suppose that the data from the second replicate were not available. Analyze the data from replicate I only and comment on your findings.

Exercise 14-14

An engineer is interested in the effect of cutting speed (A), metal hardness (B), and cutting angle (C) on the life of a cutting tool. Two levels of each factor are chosen, and two replicates of a 2³ factorial design are run. The tool life data (in hours) are shown in the following table.

Replicate Treatment Combination П (1) 221 311 325 435 a 354 348 ab 552 472 440 453 406 377 ac bc 605 500 abc 392 419

Replicate Treatment Combination (1) 221 311 325 435 a 354 348 ab 552 472 440 453 406 377 ac bc 605 500 abc 392 419

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