Question: The following is a sample of computer output from a study. Describe the problem and the conclusion, based on the computer output. Y = number
The following is a sample of computer output from a study. Describe the problem and the conclusion, based on the computer output.
Y = number of drinks in the previous 7 days
Two-sample T for treatment vs. control:
n Mean SD
Treatment 244 13 62 12.39
Control 238 16 86 13.49
95% CI for mu1 - mu2: (- 5.56, - 0.92)
T-test mu1 = mu2 (vs < ):
T = - 2.74 P = .0031 DF = 474.3
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