Q1) Grand Strand Family Medical Center is specially set up to treat minor medical emergencies for visitors to Myrtle Beach area. There are 2 facilities, one in Little River Area and other in Murrells Inlet. Quality Assurance Department wants to compare mean waiting time for patients at two locations. Samples of waiting times, reported in minutes, follow:
|
S. No
|
Little River
|
Murrells Inlet
|
|
1
|
31.73
|
22.93
|
|
2
|
28.77
|
23.92
|
|
3
|
29.53
|
26.92
|
|
4
|
22.08
|
27.2
|
|
5
|
29.47
|
26.44
|
|
6
|
18.6
|
25.62
|
|
7
|
32.94
|
30.61
|
|
8
|
25.18
|
29.44
|
|
9
|
29.82
|
23.09
|
|
10
|
26.49
|
23.1
|
|
11
|
|
26.69
|
|
12
|
|
22.31
|
Suppose the population standard deviations are not the same. At.05 significance level, is there a difference in mean waiting time?