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Unformatted text preview: 16,395). 8.23. 8.27. (a) Gauge capability: (b) MTB > Stat > Control Charts > Variables Charts for Subgroups > Xbar R Test Results for R Chart of Ex8.27All TEST 1. One point more than 3.00 standard deviations from center line. Test Failed at points: 11, 12 Outofcontrol points on R chart indicate operator difficulty with using gage. Suggested 8.15. MTB > Stat > Basic Statistics > Normality Test (Add percentile lines at Y values 50 and 84 to estimate and .) A normal probability plot of response times shows the distribution is close to normal. (a) (b) USL = 2 hrs = 120 mins 8.21. USL = 2350; LSL = 2100; nominal = 2225; (a) (b)...
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 Spring '97
 RAVINDRAN

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