1. Suppose we have a turning operation in a process where we are manufacturing p

Question

1. Suppose we have a turning operation in a process where we are manufacturing pins to a diameter of .125 +/- .005 inches. We have five different machines making the same part and we take five random samples from each machine to obtain the following diameter data:

Machine

a) From the analysis of these data can we conclude that the factor "machine" has an effect with =0.05? Check assumptions.

b) If we have a significant difference use the Tukey’s method to evaluate the differences, use the same level of significance.

1 2 3 4 5 .125 .118 .123 .126 .118 .127 .122 .125 .128 .129 .125 .120 .125 .126 .127 .126 .124 .124 .127 .120 .128 .119 .126 .129 .121

Explanation / Answer

1. Suppose we have a turning operation in a process where we are manufacturing p

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