Thirty samples were collected; with variable sample sizes. A control chart for the fraction nonconforming is to be estab
Posted: Sun Sep 05, 2021 6:32 am
Thirty samples were collected; with variable sample sizes. A control chart for the fraction nonconforming is to be established with two-sigma control limits. The sum of nonconforming was 90 and the sum of the sample sizes = 180. Using the average sample size, the UCL is 6 1.1123 0.6476 None 0.9082