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A test was made of H 0 : 1 = 2 versus H 1 : 1 < 2 . The sample means were x1-bar =

A test was made ofH0:1=2versusH1:1<2. The sample means were x1-bar = 7 and x2-bar = 15, the sample standard deviations were s1 = 3 and s2 = 6 and the sample sizes were n1 = 19 and n2 = 10. IsH0rejected at the 0.05 level? (Hint: First compute the value of the test statistic.)

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