Independent random samples were selected from each of two normally distributed populations, n1 = 12 from population

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Independent random samples were selected from each of two normally distributed populations, n1 = 12 from population 1 and n, = 27 from population 2.The means and variances for the two samples are shown in the table.

a. Test the null hypothesis H,,: u: = a; against the alternative hypothesis Ha: u: f a;. Use a = .lo.

b. Find the approximate p-value of the test.

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