Specifications on a cigar lighter detent are 0.3220 and 0.3200 in. Samples of size 5 are taken
Question:
(a) Set up an R chart and examine the process for statistical control.
(b) What parameters would you recommend for an R chart for on-line control?
Excluding Sample Number 12:
(c) Estimate the standard deviation of the process.
(d) What is the process capability?
Transcribed Image Text:
TABLE 6E.18 Data for Exercise 6.42 Sample Number xi ri ri X4 X5 53 00 -72002 3 1 0 2 0 -3-3 2 2 0--3-1 10 1 3 2 2 12 16 2-1 13 6-3 00 8 14 3 -550 5
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Related Book For
Introduction to Statistical Quality Control
ISBN: 978-1118146811
7th edition
Authors: Douglas C Montgomery
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