Thirty-two successive samples of 100 castings each, taken from a production line, contained numbers of defectives as
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Thirty-two successive samples of 100 castings each, taken from a production line, contained numbers of defectives as follows:
If the proportion defective is to be maintained at 0.02, use the Shewhart method (both UK and US standard) to indicate whether this proportion is being maintained, and if not then after how many samples action should be taken.
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3, 3, 5, 3, 5, 0, 3, 1, 3, 5, 4, 2, 4, 3, 5, 4, 3, 4, 5, 6, 5, 6, 4, 4, 7, 5, 4, 8, 5, 6, 6, 7
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From the table Figure 1328 in the textbook with n 100 and p002 np2 the Shewhart warning and ac...View the full answer
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