Question: Five data entry operators work at the data processing department of the Birmingham Bank. Each day for 30 days, the number of defective records
Five data entry operators work at the data processing department of the Birmingham Bank. Each day for 30 days, the number of defective records in a sample of 200 records typed by these operators has been noted, as follows: Sample No. No. Defectives Sample No. No. Sample Defectives No. No. Defectives 1 8 11 6 2 5 12 4 3 19 13 16 4 9 14 3 5 12 15 10 6 8 16 8 7 13 17 13 8 9 18 4 9 7 19 17 10 14 20 16 2222222222 21 17 11 23 7 24 8 25 14 26 11 27 15 28 7 29 13 30 3 a) Establish 30 upper and lower control limits. UCLp = (enter your response as a number between 0 and 1, rounded to three decimal places).
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