S6.18 Five data entry operators work at the data processing department of the Royal Bank. Each day for 30 days, the numb

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S6 18 Five Data Entry Operators Work At The Data Processing Department Of The Royal Bank Each Day For 30 Days The Numb 1 (130.42 KiB) Viewed 46 times

S6.18 Five data entry operators work at the data processing department of the Royal Bank. Each day for 30 days, the number of defective records in a sample of 250 records typed by these opera- tors has been noted, as follows: Sample No. No. Defective 7 5 19 10 11 1 2 3 4 5 6 7 8 9 10 8 12 9 6 13 Sample No. 11 12 13 14 15 16 17 18 19 20 No. Defective 18 5 16 4 11 8 12 4 6 16 Sample No. 21 22 23 24 25 26 27 28 29 30 No. Defective 17 12 6 7 13 10 4 6 12 3 a) Establish 30 upper and lower control limits. b) Why can the lower control limit not be a negative number? c) The industry standards for the upper and lower control limits are 0.10 and 0.01, respectively. What does this imply about Royal Bank's own standards? P