The data in Table 5E.12 are the times it takes for a local payroll company to process
Question:
The data in Table 5E.12 are the times it takes for a local payroll company to process checks (in minutes). The target value for the turnaround times is minutes (two working days).
a. Estimate the process standard deviation.
b. Create a CUSUM chart for this process, using standardized values and. Interpret this chart.
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Related Book For
Managing Controlling and Improving Quality
ISBN: 978-0471697916
1st edition
Authors: Douglas C. Montgomery, Cheryl L. Jennings, Michele E. Pfund
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