Alex Stayner OPS&SUPPLY

# Alex Stayner OPS&SUPPLY - BUAD3020HWCh61 Sample SampleSize...

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BUAD 3020  HW Ch 6-1 Sample  Sample Size p 1 100 4 0.04 2 100 3 0.03 3 100 5 0.05 4 100 0 0 5 100 2 0.02 6 100 8 0.08 7 100 1 0.01 8 100 3 0.03 9 100 4 0.04 10 100 2 0.02 11 100 7 0.07 12 100 2 0.02 13 100 1 0.01 14 100 3 0.03 15 100 1 0.01 1500 46 p= 0.0307 sP 0.0172 UCL 0.0645 LCL 0 0 b. Plot the 15 samples collected. c. What comments can you make about the process? Of the 15 samples, 2 were out of the control limits. Because the control limits were  established as 95 percent, or 1 out of 20, we would say that the process is out of  control. It needs to be examined to find the cause of such widespread variation Number of Forms  with errors a. Develop a  p chart using 95 percent confidence interval (1.96  S p)

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1 2 3 4 5 6 7 8 9 10 11 12 13 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09
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BUAD 3020   HW Ch6-2 Sample  n p 1 15 3 0.200 2 15 1 0.067 3 15 0 0.000 4 15 0 0.000 5 15 0 0.000 6 15 2 0.133 7 15 0 0.000 8 15 3 0.200 9 15 1 0.067 10 15 0 0.000 150 10 p= 0.07 sp 0.02 UCL 0.12 LCL 0.02 0.02 b. Based on the plotted data points, what comments can you make? Out of the 10 samples, 8 out of the 10 were out of the control limits. This is way over
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## This note was uploaded on 04/18/2011 for the course BUSINESS 3020 taught by Professor Hong during the Spring '11 term at Toledo.

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Alex Stayner OPS&SUPPLY - BUAD3020HWCh61 Sample SampleSize...

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