A process is in statistical control with x iuml frac12 75 and s iuml frac12 2 0 The process specifications are at 80 iuml plusmn 8 The sample size is n 5 (a) Estimate the potential capability (b) Estimate the actual capability (c) How much could process fallout be reduced by shifting the mean to th...

A process is in statistical control with x ï½ 75 and s ï½ 2.0 . The process

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A process is in statistical control with x ï€½ 75 and s ï€½ 2.0 . The process specifications are at 80 ï‚± 8. The sample size is n= 5.

(a) Estimate the potential capability.
(b) Estimate the actual capability.
(c) How much could process fallout be reduced by shifting the mean to the nominal dimension? Assume that the quality characteristic is normally distributed.

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Introduction to Statistical Quality Control

ISBN: 978-1118146811

7th edition

Authors: Douglas C Montgomery

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Question Posted: Nov 06, 2015 03:22 AM

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A process is in statistical control with x ï½ 75 and s ï½ 2.0 . The process

Question:

i-75;S =2,0=S/G, =2/0.9400=2.13

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Introduction to Statistical Quality Control

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