Based on the historical data standard deviation of the

Last updated: 4/15/2023

Based on the historical data standard deviation of the teller service process was found to be 1 5 minutes Process mean is calculated as 3 8 minutes If service time specifications are respectively 5 and 2 minutes what is the process capability ratio Cpk and is process capable 1 Show your solution for Cpk 2 What does the Cpk you found say about the capability of the process with respect to spec limits Your Answer CPK 5 3 8 3 1 5 0 86 for CPk of 0 86 indicates that the process is not cabable of meeting the specification