MAT 510 Week 8 Homework
Need by 11/27/16 6:00 PM @ $4.00 per question
Table: Invoice Experiment Error
Customer Size |
Customer Location |
Product Type |
Number of Errors |
– |
– |
– |
15 |
+ |
– |
– |
18 |
– |
+ |
– |
6 |
+ |
+ |
– |
2 |
– |
– |
+ |
19 |
+ |
– |
+ |
23 |
– |
+ |
+ |
16 |
+ |
+ |
+ |
21 |
Customer Size: Small (-), Large (+)
Customer Location: Foreign (-), Domestic (+)
Product Type: Commodity (-), Specialty (=)
Reference: Moen, Nolan, and Provost (R. D. Moen, T. W. Nolan and L. P. Provost. Improving Quality through Planned Experimentation. New York: McGraw-Hill, 1991)
Use the date in table above and answer the following questions in the space provided below:
1. What is the nature of the effects of the factors studied in this experiment?
2. What strategy would you use to reduce invoice errors, given the results of this experiment?