Question: Set up a moving range chart for the following data (read down the column then to the right). I need to know how to calculate
Set up a moving range chart for the following data (read down the column then to the right). I need to know how to calculate tne value of MR (moving range), and how to create the chart using Excel. I know the control limit formula I just need the values of MR.
UCL = D4*MR
CL= MR
LCL = D3*MR
| 128.703 120.649 126.215 129.426 135.816 125.131 131.122 121.774 125.367 121.076 | 119.848 127.251 153.923 125.658 122.172 129.268 122.912 125.351 130.572 116.875 | 122.587 127.677 132.364 130.950 118.662 131.902 132.220 128.522 132.270 122.671 |
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