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Test the difference between the two normal population means.    

Grand Strand Family Medical Center is specifically set up to treat minor medical emergencies for visitors to the Myrtle Beach area. There are two facilities, one in Little River Area and the other in Murrells Inlet. The Quality Assurance Department wishes to compare the mean waiting time for patients at the two locations. Samples of the waiting times, reported in minutes, follow:

 

Location

Waiting Time

Little River

31.73

28.77

29.53

22.08

29.47

18.6

32.94

25.18

29.82

26.49

 

 

Murrells Inlet

22.93

23.92

26.92

27.2

26.44

25.62

30.61

29.44

23.09

23.1

26.69

22.31

 

Suppose the population standard deviations are not the same. At .05 significance level, is there a difference in the mean waiting time?

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  • Category:- Statistics and Probability
  • Reference No.:- M922166

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