Question Details

[answered] Main 52.79 63.83 39.77 47.94 49.88 48.63 55.43 64.06 64.99


A hospital conducted a study of the waiting time in its emergency room. The hospital has a main campus and three satellite locations. Management had a business objective of reducing waiting time for emergency room cases that did not require immediate attention. To study this, a random sample of 15 emergency room cases that did not require immediate attention at each location were selected on a particular day, and the waiting time (measured from check-in to when the patient was called into the clinic area) was measured. The results are stored in?ER file.

1. At the 0.05 level of significance, is there evidence of a difference in the mean waiting times in the four locations??Please report the test statistic for the appropriate test. ( all answers four decimal places)

2.?Please report the critical value for the appropriate test?

3.?Please report the p-value for the appropriate test?




Main

 

52.8

 

81.9

 

78.79

 

63.83

 

39.77

 

47.94

 

49.88

 

48.63

 

55.43

 

64.06

 

64.99

 

53.82

 

62.43

 

65.07

 

81.02 Satellite 1

 

30.75

 

61.83

 

66.44

 

53.84

 

72.3

 

53.09

 

27.67

 

52.46

 

10.64

 

53.5

 

37.28

 

34.31

 

66

 

8.99

 

29.75 Satellite 2

 

75.86

 

37.88

 

68.73

 

51.08

 

50.21

 

58.47

 

86.29

 

62.9

 

44.84

 

64.17

 

50.68

 

47.97

 

60.57

 

58.37

 

30.4 Satellite 3

 

54.05

 

38.82

 

36.85

 

32.83

 

52.94

 

34.13

 

69.37

 

78.52

 

55.95

 

49.61

 

66.4

 

76.06

 

11.37

 

83.51

 

39.17

 


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