College Statistics Quiz
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HYPOTHESIS TESTING
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In a test comparing the means of two independent groups, with Ha:μ1≠μ2H_a: \mu_1 \neq \mu_2, a researcher calculates a test statistic of t=−2.70t = -2.70 with 20 degrees of freedom. Given the t-distribution critical values t.01,df=20=2.528t_{.01, df=20}=2.528 and t.005,df=20=2.845t_{.005, df=20}=2.845, which of the following correctly identifies the range for the p-value?
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