Rework Exercises 6 34 and 6 35 using x and s control
Rework Exercises 6 34 and 6 35 using x and s control
Rework Exercises 6.34 and 6.35 using x and s control charts.
The process is out of control on the x chart at subgroup 18. After finding assignable cause, exclude subgroup 18 from control limits calculations: