Question
A quality consultant was asked to analyze he data from order errors at the Audubon Books, Inc., distribution centers as shown in he data below.
A quality consultant was asked to analyze he data from order errors at the Audubon Books, Inc., distribution centers as shown in he data below. Any order can have one or more errors such as wrong item, incorrect customer information, etc. The company assigns penalties based on he severity of the errors. A minor error, such as a wrong zip code, is rated as 1; a moderate error, such as wrong address, is rated as 3; and a critical error, such as missing items or delivery to the wrong customer, is rated as 5. The data shows the total number of penalties for the number of orders shipped. a. Use appropriate control chart in MINITAB b. Explain the significance (interpretation).
Sample | ||
Number of | Unit | |
Sample | Nonconformances | Size |
1 | 5 | 204 |
2 | 5 | 188 |
3 | 6 | 90 |
4 | 9 | 180 |
5 | 0 | 182 |
6 | 5 | 155 |
7 | 3 | 162 |
8 | 5 | 149 |
9 | 5 | 154 |
10 | 4 | 164 |
11 | 4 | 192 |
12 | 10 | 122 |
13 | 3 | 174 |
14 | 3 | 189 |
15 | 5 | 124 |
16 | 4 | 195 |
17 | 3 | 162 |
18 | 7 | 157 |
19 | 6 | 189 |
20 | 14 | 177 |
21 | 6 | 109 |
22 | 5 | 156 |
23 | 4 | 201 |
24 | 7 | 174 |
25 | 6 | 168 |
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