Question: The following information was obtained from two independent samples selected from two populations with unequal and unknown population standard deviations. n 1 = 48 x

The following information was obtained from two independent samples selected from two populations with unequal and unknown population standard deviations.

n₁ = 48 x̅₁ = .863 s₁ = .176
n₂ = 46 x̅₂ = .796 s₂ = .068

Test at a 1% significance level if the two population means are different.

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