Suppose we wanted to test the hypothesis that a control group of cancer patients (Group 1)

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January 7th, 2018

Suppose we wanted to test the hypothesis that a control group of cancer patients (Group 1) would report higher mean pain ratings than an experimental group receiving special massage treatments (Group 2). Use the following information. Compute a t-statistic for independent groups: mean group 1 = 78.1 SD21 = 42.1 n1 = 25 mean group 2 = 74.1 SD22 = 39.7 n2= 25 What are the degrees of freedom and the value of t ? Using ?=0.05 for a two-tailed test, is this t statistic significant? Show your calculations (or StatCrunch output) for full credit.

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