After collecting and measuring a number of pizza delivery time samples, Lindis Pizzeria finds the mean of
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After collecting and measuring a number of pizza delivery time samples, Lindi’s Pizzeria finds the mean of all the samples to be 27.4 minutes, with an average sample range of 5.2 minutes. They tracked four deliveries per hour for 18 hours to obtain their samples.
a. Is this an example of variable or attribute sampling data?
b. Find the UCL and LCL for both the andR charts.
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Related Book For
Operations Management A Supply Chain Process Approach
ISBN: 978-1483383064
1st edition
Authors: Joel D. Wisner
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