Discussion:
Scenario:
An advertising production team is charged with reducing the number and dollar amount of the advertising errors, with initial focus on the ran-in-error category. The team collects data, including the number of ads with errors, on a Monday-to-Saturday basis. The attached Excel File SH14-1 (attached) includes a table for the total number of ads and the number containing errors for a period of one month. Sundays are excluded because a special type of production is used for that day.
Q1: What is the first thing that the team from the advertising production department should do to reduce the number of errors? Explain
Q2: A) Construct the appropriate control chart for these data.
B) Is the process in a state of statistical control?
C) What should the team recommend as the next step to improve the process?
| Day |
Ads with Errors |
Number of Ads |
| 1 |
4 |
228 |
| 2 |
6 |
273 |
| 3 |
5 |
239 |
| 4 |
3 |
197 |
| 5 |
6 |
259 |
| 6 |
7 |
203 |
| 7 |
8 |
289 |
| 8 |
14 |
241 |
| 9 |
9 |
263 |
| 10 |
5 |
199 |
| 11 |
6 |
275 |
| 12 |
4 |
212 |
| 13 |
3 |
207 |
| 14 |
5 |
245 |
| 15 |
7 |
266 |
| 16 |
2 |
197 |
| 17 |
4 |
228 |
| 18 |
5 |
236 |
| 19 |
4 |
208 |
| 20 |
3 |
214 |
| 21 |
8 |
258 |
| 22 |
10 |
267 |
| 23 |
4 |
217 |
| 24 |
9 |
277 |
| 25 |
7 |
258 |