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A new postsurgical treatment was compared with a standard treatment. Seven subjects received the new treatment,...

A new postsurgical treatment was compared with a standard treatment. Seven subjects received the new treatment, while seven others received the standard treatment. The recovery times, in days, are given below.

New Treatment

Standard

12

18

13

23

15

24

19

30

20

32

21

35

24

39

Can you conclude that the mean recovery time for patients who receive the new treatment is less than the mean for patients who receive the standard treatment? Use a=.05.

Math   Statistics-And-Probability   
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