The operation manager of a delivery company collects 9 delivery samples of size 5 to make control
Fantastic news! We've Found the answer you've been seeking!
Question:
The operation manager of a delivery company collects 9 delivery samples of size 5 to make control charts. The average delivery time among all samples is 12 minutes. From past studies, she knows that the delivery times have a standard deviation of 3.0 minutes.
Compute the Upper Control Limit (UCL) for an x-bar chart with 3 sigmalimits (i.e., with confidence level 99.73%).
Note:
1- Only round your final answer. Round and enter your final answer with 2 decimal places.
Related Book For
Operations management processes and supply chain
ISBN: 978-0136065760
9th edition
Authors: Lee J Krajewski, Larry P Ritzman, Manoj K Malhotra
Posted Date: