A new postsurgical treatment was compared with a standard treatment Seven subjects received the new treatment, while seven others (the controls) received the standard treatment The recovery times, in days, are given below Can you conclude that the mean recovery time for those receiving the new treatment is less than the mean for those receiving the standard treatment Use the 0 05 level Treatment 12 13 15 Control 19 20 21 24 18 23 24 30 32 35 39

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Question: A new postsurgical treatment was compared with a standard treatment. Seven subjects received the new treatment, while seven others (the controls) received the standard treatment.

A new postsurgical treatment was compared with a standard treatment. Seven subjects received the new treatment, while seven others (the controls) received the standard treatment. The recovery times, in days, are given below. Treatment: 12 13 15 Control: 19 20 21 24 18 23 24

Can you conclude that the mean recovery time for those receiving the new treatment is less than the mean for those receiving the standard treatment? Use the α = 0.05 level.

Treatment: 12 13 15 Control: 19 20 21 24 18 23 24 30 32 35 39

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