Compute the cpk for this machine, Operation Management

Assignment Help:

1) C-Spec, Inc., is attempting to determine whether an existing machine is capable of milling an engine part that has a key specification of 4+6 .003 inches.

After a trial run on this machine, C-Spec has determined that the machine has a sample mean of 4.001 inches with a standard deviation of .002 inch.

a. Calculate the Cpk for this machine.

b. Should C-Spec use this machine to produce this part? Why?

2) Ten samples of 15 parts each were taken from an ongoing process to establish a p-chart for control. The samples and the number of defectives in each are shown in the following table:

Number of Number of Defective Items Defective Items Sample n in the Sample Sample n in the Sample

1                  15                                3                 6                             15                         2
2                  15                               1                 7                              15                         0
3                  15                               0                 8                              15                         3
4                   15                              0                 9                              15                         1
5                   15                              0                10                             15                         0

a. Develop a p-chart for 95 percent confi dence (1.96 standard deviation).

b. Based on the plotted data points, what comments can you make?


Related Discussions:- Compute the cpk for this machine

It is vital to assign a unique number, It is important to assign a unique n...

It is important to assign a unique number to every component in the project Work Breakdown Structure.

Describe strategic management concepts and cases, Threadless (in Strategy H...

Threadless (in Strategy Highlight 1.1) is an example of a firm building on its customer base to use new products and also to participate in the design and vetting of popular design

Explain what is the economic production quantity, Race One Motors is an Ind...

Race One Motors is an Indonesian car manufacturer. At its largest manufacturing facility, in Jakarta, the company produces subcomponents at a rate of 300 per day, and it uses these

Scheduling, external factors affecting schedulling

external factors affecting schedulling

Foreign direct investment in their countries, Describe some ways in which e...

Describe some ways in which emerging economies have benefited as a result of foreign direct investment in their countries by multinational enterprises. Multinational enterprise

Describe ethical to reduce the number of employees, 1. Based on GM's ...

1. Based on GM's current condition, do you think it is ethical to reduce the number of employees? Why or why not?

Describe what are best buy strategic objectives, What are strategic objecti...

What are strategic objectives? What is the purpose of strategic objectives? What makes an effective strategic objective? What are examples of strategic objectives for you organizat

Explain bill could protect the data and systems, Make a list of five ways t...

Make a list of five ways that Bill could protect the data and systems that he is going to put in place. Consider the type of data and systems that would be relevant to Bill's pizz

Explain high quality information, Analysis: categorize the five common char...

Analysis: categorize the five common characteristics of high quality information and rank them in order of importance to carnival cruise.

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