Question: Specifications on a cigar lighter detent are 0 3220 and 0 3200

Specifications on a cigar lighter detent are 0.3220 and 0.3200 in. Samples of size 5 are taken every 45 minutes with the results shown in Table 6E.18 (measured as deviations from 0.3210 in 0.0001 in.).
(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?

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  • CreatedNovember 06, 2015
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