Twentyve samples of size 5 are drawn from a process at onehour intervals, and the following data are obtained: 25 2.5 25 2:.- = 364.25 Ea- = 7.40 Za- = 4.17 i=1 i=1 i=1 {3) Find trial control limits for X and R charts. (b) Repeat part {a} forfand S charts. Round your answers to 3 decimal places (e.g. 98365). {a} {b} 2 Chart R Chart 3? Chart S Chart _ _l n__ _l CL = l I l g \" LCL ' | l | l