Difference in total call times

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Reference no: EM13106084

Call Center 1 Call Center 2

19.14 20.64

24.59 27.42

28.37 25.68

27.17 20.45

29.52 18.55

18.97 23.91

24.53 22.84

29.33 22.33

18.42 20.65

24.55 25.15

26.41 24.97

24.72 20.16

20.97 21.79

30.01 24.76

20.38 23.24

22.13 19.49

25.43 23.38

23.30 22.43

31.00 24.83

29.24 20.86

24.69 18.76

28.32 22.71

25.21 20.39

19.96 26.91

24.13 25.48

29.31 19.83

23.95 26.06

28.46 27.77

26.27 24.52

19.77 23.08

Our customers expect a call to be completed in 22 minutes. Using the data above, does either of our call centers meet this expectation with an alpha level of 0.05?

Reference no: EM13106084

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