What constants are used in the X-bar, R-chart?
I. D4 The factor D4 is used to determine the upper control limit of a range chart
II. D3
III. A2
IV. R-bar R-bar is only variable that determines width of control limits
A.
What constants are used in the X-bar, R-chart?
I. D4 The factor D4 is used to determine the upper control limit of a range chart
II. D3
III. A2
IV. R-bar R-bar is only variable that determines width of control limits
A.
0 comments