Posted by **Dave** on Monday, June 25, 2012 at 11:30am.

Period Cycle Time

1 45

2 33

3 44

4 30

5 51

6 47

7 39

8 34

9 69

10 43

11 29

12 38

13 45

14 49

15 73

16 38

17 50

18 40

19 57

20 36

21 31

22 46

23 40

24 51

25 48

26 37

27 42

28 50

Calculated R-Bar:

Upper control limit for the range:

Upper control limit for the individuals:

Lower control limit for the individuals:

Based upon what the control chart is telling you what would you do?

Is there adaquate discrimination?

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