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A quality analyst wants to construct a control chart for determining whether three machines, all producing the same product, are in control with regard to
A quality analyst wants to construct a control chart for determining whether three machines, all producing the same product, are in control with regard to a particular quality variable. Accordingly, he sampled four units of output from each machine, with the following results: Machine Measurements # # # What is the estimate of the sample average range based upon this limited sample? Multiple Choice
A quality analyst wants to construct a control chart for determining whether three machines, all producing the same product, are in control with regard to a particular quality variable. Accordingly, he sampled four units of output from each machine, with the following results:
Machine Measurements
#
#
#
What is the estimate of the sample average range based upon this limited sample?
Multiple Choice
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