Process control: p-chart
Not what you're looking for?
The attached discusses:
Acme believes that the majority of the incorrect invoices come from within the
accounts receivable department. You are the manager of the accounts receivable department and you want to confirm or deny the company's assertion.
You decide to monitor the activities of your department very closely for one month.
You conduct a sampling technique drawing on 200 clients' invoices over a 30-day period and check the accuracy of each invoice. The sample results are as follows:
DAY ERROR
1 10
2 14
3 11
4 15
5 16
6 12
7 14
8 13
9 9
10 10
11 9
12 14
13 14
14 3
15 15
16 8
17 2
18 8
19 6
20 2
21 2
22 10
23 15
24 5
25 6
26 6
27 15
28 7
29 3
30 13
Develop a p-chart for the data above using 3σ control limits.
Explain whether the department is at fault or not.
Purchase this Solution
Solution Summary
This solution shows and interprets a p-chart with 3 sigma control limits, created from the data provided.
Solution Preview
This solution shows and interprets a p-chart with 3 sigma control limits, created from the data provided.
Please see the attached Word document.
Acme believes that the majority of the incorrect invoices come from within the
accounts receivable department. You are the manager of the accounts receivable department and you want to confirm or deny the company's assertion.
You decide to monitor the activities of your department very closely for one month.
You conduct a sampling technique drawing on 200 ...
Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.