Question: A manager wants to build 3-sigma control limits for a metal plate process. The diameter of the plate is critical and should be 124 inch.

A manager wants to build 3-sigma control limits
A manager wants to build 3-sigma control limits for a metal plate process. The diameter of the plate is critical and should be 124 inch. He took 5 samples, each containing 4 metal plates from different shifts. If the ranges of samples in inch) are 123, 124, 126, 117, and 129. Compute the upper controllimit for this process. Round your answer to ZERO decimal places (eg 125) Your

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