### Process Improvement: Find UCL and LCL for charts

= - If X =2.0144, R=.0972 and 25 subgroups of size 5, a. Find the UCL and LCL for the X Chart. B. Find the UCL and LCL for the R- chart. = - 2. If X= 5.2, R = .3 and n=4, and if specifications are (4.6, 5.8) is the proce