Information about two-sample hypothesis tests

Reference no: EM13111806

Which samples show unequal variances? Use α = .05 in all tests. Show the critical values and degrees of freedom clearly and illustrate the decision rule.

a. s1 = 5.1, n1 = 11, s2 = 3.2, n2 = 8, two-tailed test

b. s1 = 221, n1 = 8, s2 = 445, n2 = 8, left-tailed test

c. s1 = 67, n1 = 10, s2 = 15, n2 = 13, right-tailed test

Reference no: EM13111806

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