Attributes - statistical process control, Operation Management

Assignment Help:

Attributes - Statistical Process Control

On the other hand, some processes have outputs with attributes to be controlled where counting the number of defects is more appropriate than measuring them. The outputs can be segregated into two categories (eg pass/fail or non-defective/defective). For example, in bottle production, the design requirement may stipulate a maximum allowable number of air bubbles in the glass. Bottles which have no more than this number of bubbles would be counted as non-defective items; bottles with more than this number would be counted as defective items. Returning to the example of controlling the diameters of discs, it might be decided, perhaps for reasons of economy, that it is more appropriate to gauge the diameters rather than measure them. This figure shows how this can be achieved by use of a simple go/not-go gap gauge. Conforming discs, as shown in this figure, will be small enough to enter the 'go' gap, but too large to enter the 'not go' gap. As a result the output will be segregated into countable 'pass' and 'reject' groups.

1070_Attributes - Statistical Process Control.png

Much of what follows concerns the construction and use of statistical process control charts for both categories of output. The main treatment focuses on two complementary charts, sample mean and sample range charts, for the control of variables. This is followed by accounts of three charts for the control of attributes: proportion defective, number defective and number of defects.


Related Discussions:- Attributes - statistical process control

Explain bagel has a competitive advantage, After viewing the video, do you ...

After viewing the video, do you think Finagle a Bagel has a competitive advantage? If so, what is it? If not, why not?

Ethical for organizational managers to try to get access, Do you belive it ...

Do you belive it is ethical for organizational managers to try to get access and scrutinize the Facebook pages of employees or job applicants?

Explain distinction between e-business and e-commerce, Why does the Baltzan...

Why does the Baltzan text draw a distinction between e-business and e-commerce? • The Baltzan text lists four challenges for Web-based e-business (pp. 103 - 104). See i

Explain purpose of processing a digital crime, PDAs, iPods, iPhones, iPads,...

PDAs, iPods, iPhones, iPads, most cell phones, and other data devices are miniature computer systems designed to be highly mobile. Describe how such devices could alter the typical

Process planning procedure, Process Planning Procedure  The process pl...

Process Planning Procedure  The process planning procedure has the followings steps as shows in figure as

Explain target utilization rate, The process for renewing a driver's licens...

The process for renewing a driver's license at the Archer County Courthouse is as follows. First, the clerk fills out the application; then the clerk takes the driver's picture; an

How meet small towns daily requirement, Determine how to minimize the numbe...

Determine how to minimize the number needed to meet small towns daily requirement

Explain assess how southwest airlines culture is different, "Southwest Airl...

"Southwest Airlines" Please respond to the following: Assess how Southwest Airlines culture is different from other airline competitors and the resulting impact on business perf

Explain what is your forecast of profit for a store, The XYZ Paint shop own...

The XYZ Paint shop owns and operates a dozen shops in central Missouri. Their signature paint is Green Pearl on Electric Blue Candy. Sales (X, in millions of dollars) is related to

Changes in employment by sector - operations function, (1) Firstly, conside...

(1) Firstly, consider the changes in employment by sector over the period charted in the figure (1850 - 2000). What factors do you think contributed to the reduction in employment

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