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Submitted by Clay1203 on Sun, 2012-05-06 01:35
due on Thu, 2012-05-10 01:33
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Evaluate 5.2 Problem 17
Management at Webster, in Problem 16, is now concerned as to whether caulking tubes are being properly capped. If a significant proportion of the tubes are not being sealed, Webster is placing its customers in a messy situation. Tubes are packaged in large boxes of 144. Several boxes are inspected, and the following numbers of leaking tubes are found (see attached table).
Calculate p-chart three sigma control limits to assess whether the capping process is in statistical control.
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file1.2_problem_17_data_set.xlsx preview (41 words)
Sheet1
| xxxxxx | xxxxx | ||
| x | 3 | ||
| x | x | ||
| x | x3 | ||
| 4 | xx | xx xxxxxxx 0.5 | |
| x | 2 | ||
| x | x4 | ||
| x | xx | ||
| 8 | x | ||
| 9 | 4 | ||
| xx | 9 | ||
| 11 | x | ||
| xx | xx | ||
| 13 | 5 | ||
| xx | x1 | UCL= xxx x x xxxx xxxx x 0.5)/144= | xxxx +0.042= xxxxx |
| 15 | 5 | ||
| xx | xx | xLCL= 0.5-0.042 x xxxxx | |
| 17 | 2 | ||
| xx | x6 | ||
| 19 | x2 | ||
| 20 | xx | ||
| xxxxx | xx |
xxxxxx
xxxxxx
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