Question: - The data shown in table below are for ten samples of size 3. Sample Mean Range 1 7.58 4.06 2 11.52 2.85 3 9.70

- The data shown in table below are for ten samples of size 3.

Sample

Mean

Range

1

7.58

4.06

2

11.52

2.85

3

9.70

7.38

4

11.26

2.81

5

6.94

5.06

6

10.38

3.09

7

9.71

2.53

8

10.65

4.85

9

6.65

3.44

10

8.64

2.83

  1. Determine the appropriate control charts for this problem and find UCL and LCL.
  2. Draw the charts. What conclusions can be drawn from the charts?

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