Question: If n1 = 31, s1 = 12, n2 = 51, and s2 = 10, test whether 1 > 2 at the = 0.05 level

If n1 = 31, s1 = 12, n2 = 51, and s2 = 10, test whether σ1 > σ2 at the α = 0.05 level of significance.

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