Question
The postmaster of a small western town receives a certain number of complaints each day about mail delivery. DAY 1 2 3 4 5 6
The postmaster of a small western town receives a certain number of complaints each day about mail delivery.
| DAY | ||||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | |
| Number of complaints | 4 | 10 | 16 | 8 | 9 | 6 | 5 | 14 | 13 | 7 | 6 | 4 | 2 | 10 |
a. Determine three-sigma control limits using the above data. (Round your intermediate calculations to 4 decimal places and final answers to 3 decimal places. Leave no cells blank - be certain to enter "0" wherever required. Round up any negative control limit value to zero.)
UCL ______
LCL ____
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Quantitative Analysis For Management
Authors: Barry Render, Ralph M. Stair, Michael E. Hanna
11th Edition
9780132997621, 132149117, 132997622, 978-0132149112
