Five data entry operators work at the data processing department of the Birmingham Bank Each day for 30 days the number of

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 in a sample of 300 records typed by these operators has been noted as follows a Establish 30 upper and lower control limits UCL Sample No LCLp b Why can the lower control limit not be a negative number 1 2 677494556 10 No Defectives 8 4 20 10 12 8 13 9 7 14 Sample No 11 12 13 14 15 16 17 18 19 20 No Defectives 7 5 16 3 11 9 11 5 18 15 enter your response as a number between 0 and 1 rounded to three decimal places enter your response as a number between 0 and 1 rounded to three decimal places Sample No 21 22 23 24 25 26 27 28 29 30 OA Since the percent of defective records cannot be a negative number B Since the upper control limit cannot be a negative number C Since the percent of defective records is always a positive number OD Since the upper control limit is positive c The industry standard for the upper control limit is 0 10 What does this imply about Birmingham Bank s own standards The industry standard is the standard at Birmingham Bank No Defectives 16 11 6 6 14 10 14 5 11 3

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