Erickson-6.6, 6.8-jan10

Erickson-6.6, 6.8-jan10 - 6.8) Day Average SD = 0.12 1 16.3...

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April Erickson Chapter 6 Problems: 6.6 and 6.8 18-Jan-10 6.6) Hour X bar R Sample Size = 4 1 3.25 0.71 # of samples = 24 2 3.1 1.18 3 3.22 1.43 4 3.39 1.26 5 3.07 1.17 6 2.86 0.32 7 3.05 0.53 8 2.65 1.13 9 3.02 0.71 10 2.85 1.33 11 2.83 1.17 12 2.97 0.4 13 3.11 0.85 14 2.83 1.31 15 3.12 1.06 16 2.84 0.5 17 2.86 1.43 18 2.74 1.29 19 3.41 1.61 20 2.89 1.09 21 2.65 1.08 22 3.28 0.46 23 2.94 1.58 24 2.64 0.97 71.57 24.57 PAGE 227 2.98 1.02 2.98+(.729*1.02375) 0.75 X bar R 3.73 UCL = 3.73 UCL = 2.33 LCL = 2.24 LCL = 0.0 This process is in control limits
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Unformatted text preview: 6.8) Day Average SD = 0.12 1 16.3 Sample Size = 9 2 15.9 3 15.8 4 15.5 5 16.3 6 16.2 7 16 8 16.1 9 15.9 10 16.2 11 15.9 12 15.9 13 16.3 14 15.9 15 16.3 16 16.2 17 16.1 18 15.9 19 16.2 20 15.9 21 15.9 22 16 23 15.5 24 15.8 384 16 X bar UCL = 16.08 16 + 2 (0.12/sqrt 9) 16.08 LCL = 15.92 15.92 5 10 15 20 25 3 2.2 2.4 2.6 2.8 3 3.2 3.4 3.6 X bar Column 30 C...
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Erickson-6.6, 6.8-jan10 - 6.8) Day Average SD = 0.12 1 16.3...

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