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

Explain a relationship between the two variables, Boston Electric Generator...

Boston Electric Generators has been getting many complaints from its major customer, Home Station, about the quality of its shipments of home generators. Daniel Shimshak, the plant

Explain step of customer needs and expectations, Beginning with the step of...

Beginning with the step of customer needs and expectations (expected quality), identify and describe the remaining steps in the customer-driven quality life cycle. (Hint: drawing a

Draw a chart by writing operations management, Create a chart by writing "o...

Create a chart by writing "operations management" and "business strategy" beside each other and leaving room between the headings to draw/write. Using arrows to designate direction

What are the three sequential operations, A manufacturing process consists ...

A manufacturing process consists of three sequential operations. At maximum capacity operation A can output 125 units per hour, Operation B can output 120 units per hour, and Opera

How to promote a business senior village, Have to set up a Blog for the my ...

Have to set up a Blog for the my inanganiry business, The Business is called "Senior Village" its a whole city in a gated community, the Seniors will not have to leave the grounds

Find number of job requests, Value: 10.00 points Problem 3-4 An electrical ...

Value: 10.00 points Problem 3-4 An electrical contractor's records during the last five weeks indicate the number of job requests: Week: 1 2 3 4 5 Requests: 16 18 14 17 18 Predict

Compounded annually means, What is the present value of $10000 to be receiv...

What is the present value of $10000 to be received 20 years from now , if the principle is invested at 8% per year, compounded annually ?

Advantages of enterprise resource planning, Advantages of ERP 1.Invento...

Advantages of ERP 1.Inventory Reduction: Through this process it is possible to procure a component as it is needed thereby avoiding cost of carrying it and excessive safety st

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