Upper and lower control limits, Operation Management

Assignment Help:

Clerks at Lotsa Data Systems key in thousands of insurance records each day for a variety of client firms.  The process is in control but CEO Donna Lotsa wants to be sure that at least 99.73% of the random variation in the data entry process is included in its control charts' control limits. Samples of the work of 20 clerks are shown in the table below. Lotsa examines 100 records entered by each clerk and counts the number of errors. She also computes the fraction defective in each sample.

Sample Number

Number of Errors

Sample Number

Number of Errors

1

6

11

6

2

5

12

1

3

0

13

8

4

1

14

7

5

4

15

5

6

2

16

4

7

5

17

11

8

3

18

3

9

3

19

0

10

2

20

4

 

 

TOTAL

80

a. What is the appropriate number of standard deviations to include in calculating the upper and lower control limits?

b. What are the upper and lower control limits?

c. Illustrate/state whether the process is in statistical control or not.


Related Discussions:- Upper and lower control limits

Define and analyze a best practice human capital acquisition, Identify and ...

Identify and analyze a best practice human capital acquisition, development, and retention in the United Kingdom Please provide references in APA format

Develop a competitor profile for your college, Develop a competitor profile...

Develop a competitor profile for your college and for the college geographically closest to yours next prepare a brief strategy strategic plan is to improve the competitive positio

Explain operations management, How do I find solutions to questions in oper...

How do I find solutions to questions in operations management 10th edition by jay heizer?

Explain corporate strategic alliance, Business-level, Corporate-level, and ...

Business-level, Corporate-level, and International Strategies Using the Internet, research about the following: • Globalization • International strategic alliances • Co

Explain early european explorations of the americas, Need information on th...

Need information on this; did not receive my textbook as of yet European Explorations Debate the pros and cons of the early European explorations of the Americas. Should thes

Explain the specific type of consumer that the coca-cola, Describe the spec...

Describe the specific type of consumer that the Coca-Cola Company is targeting with each of the following products: Diet Coke, Diet Coke Plus, Coca-Cola Blak, and Full Throttle Blu

Explain the categories of problems in six sigma methodology, Describe the c...

Describe the categories of problems that have been found to be approached by Six Sigma methodology Type your question here

What are the main factors that defines google''s success, What are the key ...

What are the key factors that defines Google's success in the industry? What are their key competencies, capabilities and resources of being a successful search engine?

Explain frequently use experience and intuition to make, If managers freque...

If managers frequently use experience and intuition to make complex, nonprogrammer decisions, how do they apply evidence-based management, which seems to suggest that managers shou

Explain human resource management legal issues, Submit Apple, Inc.'s Human ...

Submit Apple, Inc.'s Human Resource Management Legal Issues related to Apple, Inc.'s HRM Strategic Workforce Improvement Plan project

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd