The data shown below were collected on the number of nonconformities per unit fo

Question

The data shown below were collected on the number of nonconformities per unit for 10 time periods, Complete (a) and (b) Time 12345678 910 Per Unt a. Construct the appropriate control chart and determine the UCL and LCL What is the upper control limit? Select the correct choice below and, if necessary, fill in the answer box to complete your choice OA. UCL=(Round to three decimal places as needed) O B. The control limit does not exist. What is the lower control limit? Select the correct choice below and, if necessary, il in the answer box to complete your choice A. O B. LCL=E1 (Round to three decimal places as needed.) There is no solution. Click to select your answer Print Activity Details . Task: View this topic

Explanation / Answer

here average number of non comformities c =4.3

a)hence UCL =c +3*sqrt(c) =10.521

LCL =c -3*sqrt(c) =-1.921 ~ 0 (as non conformitiers can not be negative)

for graphs option B is correct

b) option C is correct

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