A new postsurgical treatment is being compared with a standard treatment. Seven subjects receive the new treatment, while seven others (the controls) receive the standard treatment. The recovery times, in days, are as follows:
Treatment (X):
12
13
15
19
20
21
27
Control (Y ):
18
23
24
30
32
35
40
Can you conclude that the mean rate differs between the treatment and control?
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