math discussion
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math.docxomework Assignment 7 Due in Week 8 and worth 30 points The experiment data in below table was to evaluate the effects of three variables on invoice errors for a company. Invoice errors had been a major contributor to lengthening the time that customers took to pay their invoices and increasing the accounts receivables for a major chemical company. It was conjectured that the errors might be due to the size of the customer (larger customers have more complex orders), the customer location (foreign orders are more complicated), and the type of product. A subset of the data is summarized in the following Table.
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?
3. Table: Invoice Experiment Error
4. Customer Size Customer Location Product Type Number of errors
5. - - - 15
6. + - - 18
7. - + - 6
8. + + - 2
9. - - + 19
10. + - + 23
11. - + + 16
12. + + + 21
13. Customer Size: Small (-), Large (+)
14. Customer Location: Foreign (-), Domestic (+)
15. Product Type: Commodity (-), Specialty (+)
omework
Assignment
7
Due in Week 8 and worth 30 points
The experiment data in below table was to evaluate the effects of three variables on
invoice errors for a company. Invoice errors had been a major contributor to
lengthening the time that customers took to pay their invoices and increasing the
accounts rec
eivables for a major chemical company. It was conjectured that the
errors might be due to the size of the customer (larger customers have more
complex orders), the customer location (foreign orders are more complicated), and
the type of product. A subset o
f the data is summarized in the following Table.
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 f
ollowing 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?
3.
Tab
le: Invoice Experiment Error
4.
Customer Size
Customer Location
Product Type
Number of errors
5.
-
-
-
15
6.
+
-
-
18
7.
-
+
-
6
8.
+
+
-
2
9.
-
-
+
19
10.
+
-
+
23
11.
-
+
+
16
12.
+
+
+
21
13.
Customer Size: Small (
-
), Large (+)
14.
Customer Location:
Foreign (
-
), Domestic (+)
15.
Product Type: Commodity (
-
), Specialty (+)
omework Assignment 7
Due in Week 8 and worth 30 points
The experiment data in below table was to evaluate the effects of three variables on
invoice errors for a company. Invoice errors had been a major contributor to
lengthening the time that customers took to pay their invoices and increasing the
accounts receivables for a major chemical company. It was conjectured that the
errors might be due to the size of the customer (larger customers have more
complex orders), the customer location (foreign orders are more complicated), and
the type of product. A subset of the data is summarized in the following Table.
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?
3. Table: Invoice Experiment Error
4. Customer Size Customer Location Product Type Number of errors
5. - - - 15
6. + - - 18
7. - + - 6
8. + + - 2
9. - - + 19
10. + - + 23
11. - + + 16
12. + + + 21
13. Customer Size: Small (-), Large (+)
14. Customer Location: Foreign (-), Domestic (+)
15. Product Type: Commodity (-), Specialty (+)
