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6 4 N 0 7 11 12 13 14 15 16 17 18 19 20 6 1. The table below shows data on refund claims made by a major online retailer
Posted: Tue Nov 23, 2021 9:29 am
by answerhappygod
- 6 4 N 0 7 11 12 13 14 15 16 17 18 19 20 6 1 The Table Below Shows Data On Refund Claims Made By A Major Online Retailer 1 (54.15 KiB) Viewed 86 times
- 6 4 N 0 7 11 12 13 14 15 16 17 18 19 20 6 1 The Table Below Shows Data On Refund Claims Made By A Major Online Retailer 2 (57.97 KiB) Viewed 86 times
6 4 N 0 7 11 12 13 14 15 16 17 18 19 20 6 1. The table below shows data on refund claims made by a major online retailer. Every day 30 claims were examined for potential errors. a. Numerically calculate (by hand Number Number Day Nonconforming Day Nonconforming or excel) (1) variance and (ii) control limits of the fraction nonconforming control chart for this process. b. Plot the preliminary data in the table the appropriate attribute control chart using MINITAB. Is the process in statistical control? c. Assume that assignable causes can be found for any out-of-control points on this chart. Numerically re-calculate (by hand or excel) the center line and control limits which should be used for process monitoring in the next phase of the Statistical Process Control? 6 7 8 9 10 on 7
Number Nonconformin Day Day Number Nonconforming an 1 0 11 6 2 3 12 13 4 8 3 4 14 15 7 5 5 2 16 20 NON a A 7 17 6 8 9 18 1 9 4 19 5 10 2 20 7