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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 250 records typed by these operators has been noted, as follows: Sample No. 1 234567891 10 No. Defectives 8 5 898839SH 18 10 13 5 14 Sample No. 11 12 13 14 15 16 17 18 19 20 No. Defectives a) Establish 30 upper and lower control limits. 7 4 15 4 10 9 11 4 19 16 Sample No. 272727828 21 23 24 25 26 29 30 No. Defectives 16 12 7 8 213624 UCLp = (enter your response as a number between 0 and 1; rounded to three decimal places).

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 250 records typed by these operators has been noted, as follows: Sample No. 1 234567891 10 No. Defectives 8 5 898839SH 18 10 13 5 14 Sample No. 11 12 13 14 15 16 17 18 19 20 No. Defectives a) Establish 30 upper and lower control limits. 7 4 15 4 10 9 11 4 19 16 Sample No. 272727828 21 23 24 25 26 29 30 No. Defectives 16 12 7 8 213624 UCLp = (enter your response as a number between 0 and 1; rounded to three decimal places).

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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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 250 records typed by these operators has been noted, as follows: Sample No. 12 2 3 4 5 6 7 8 9 10 No. Defectives 8 5 18 9 18395 10 14 Sample No. 11 12 13 14 15 16 17 18 19 20 No. Defectives 7 4 a) Establish 30 upper and lower control limits. 54697496 15 10 11 19 16 Sample No. 21 222222NERS 23 24 25 26 27 28 29 30 No. Defectives 16 12 8726668 12 11 13 6, 12 UCLp = (enter your response as a number between 0 and 1; rounded to three decimal places).
Transcribed Image Text: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 250 records typed by these operators has been noted, as follows: Sample No. 12 2 3 4 5 6 7 8 9 10 No. Defectives 8 5 18 9 18395 10 14 Sample No. 11 12 13 14 15 16 17 18 19 20 No. Defectives 7 4 a) Establish 30 upper and lower control limits. 54697496 15 10 11 19 16 Sample No. 21 222222NERS 23 24 25 26 27 28 29 30 No. Defectives 16 12 8726668 12 11 13 6, 12 UCLp = (enter your response as a number between 0 and 1; rounded to three decimal places).
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