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Question Description

Homework 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.

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?

Download the homework below, type your answers into the document and submit it using the link located above.

MAT510 Homework Assignment 7.docx

Tutor Answer

markhecktutor
School: Carnegie Mellon University

Hi, kindly find the answer attached

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Homework Assignment 7
Let us allocate the following values as follows:
0-small customer size
1-large customer size
0-foreign customer
1-Domestic customer
0-commodity
1-specialtry
We can therefore come yup with the following table:
Cus...

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Anonymous
Excellent job

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