Preparing a r-chart

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Reference no: EM1311304

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

Reference no: EM1311304

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