Number of defective garments found in samples of thirty taken 7 times for each of 5%, 7.5%
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Question:
Number of defective garments found in samples of thirty taken 7 times for each of 5%, 7.5% and 10% defective lots.
Number of Defective Found | |||
Sample # | 5% lot | 7.5% lot | 10% lot |
1 | 0 | 2 | 3 |
2 | 1 | 4 | 5 |
3 | 0 | 4 | 7 |
4 | 2 | 4 | 5 |
5 | 1 | 5 | 4 |
6 | 0 | 2 | 6 |
7 | 2 | 4 | 5 |
Plot the number of defectives for each sample in turn on a control chart (graph paper or plot using Excel) on which the warning and action limits have been set for an expectancy of 0.5 (p = 0.05 and n = 10).
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