Daily samples of 100 power drills are removed from Drill Master's assembly line and inspected for defects.
Question:
Daily samples of 100 power drills are removed from Drill Master's assembly line and inspected for defects. Over the past 21 days, the following information has been gathered. Develop a 3 standard deviation (99.7% confidence) p-chart. Is the process incontrol?
Transcribed Image Text:
Day 89 10 11 12 13 14 15 16 17 18 19 Number of defects 615 514|3|4|5|3|б| 3 | 7 | 5 | 4 | 3 | 4 | 5 | б | 5 | 4 | 3 | 7
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Related Book For
Quantitative Analysis for Management
ISBN: 978-0132149112
11th Edition
Authors: Barry render, Ralph m. stair, Michael e. Hanna
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