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

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

n₁ = 14 x̅₁ = 109.43 s₁ = 2.26
n₂ = 15 x̅₂ = 113.88 s₂ = 5.84

Test at a 5% significance level if the two population means are different.

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