For the data shown below, prepare a R-chart. Note that the sample size is three. Record the values for the UCL, center line, and LCL. In addition, note any points that are out of control.
|
Sample
|
Mean
|
Range
|
Sample
|
Mean
|
Range
|
|
1
|
10.47
|
3.26
|
6
|
8.59
|
2.22
|
|
2
|
10.74
|
6.09
|
7
|
10.27
|
2.03
|
|
3
|
11.24
|
2.39
|
8
|
8.92
|
3.35
|
|
4
|
9.14
|
2.84
|
9
|
11.34
|
.18
|
|
5
|
9.37
|
3.74
|
10
|
8.40
|
1.47
|