Question: Question 17 (1 point) The data for an average-and-range control chart for subgroups of n = 9 show a grand average of 26.8 and an
Question 17 (1 point)
The data for an average-and-range control chart for subgroups of n = 9 show a grand average of 26.8 and an average range of 2.6. What is the lower control limit for the Range chart?
Question 17 options:
|
| 23.09 |
|
| 0 |
|
| 0.368 |
|
| 1.87 |
|
| 0.5 |
|
| 0.274 |
|
| 0.4784 |
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