STP 226 .edu
t /2 (two-tailed) - t (left-tailed) z (right-tailed) with df = n1 + n2 – 2 , use Table IV to find the critical value(s). 4. Compute the value of the test statistic where 5. If the value of the test statistic falls in the rejection region, reject H0; otherwise, do not reject H0. 6. State the conclusion in words. ................
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