ALSO, asks for what LCL =

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 350 records typed by these operators has been noted, as follows: No. Defectives 16 Sample No. 1 2 3 4 5 6 7 No. Defectives 6 6 20 10 12 7 11 9 6 14 Sample No. 11 12 13 14 15 16 17 18 19 20 No. Defectives 5 4 15 5 11 7 12 3 17 15 Sample No. 21 22 23 24 25 26 27 28 29 30 13 5 7 13 10 15 5 11 4 8 9 10 a) Establish 30 upper and lower control limits. UCL (enter your response as a number between 0 and 1, rounded to three decimal places)