Calculate the Pooled Variance Given the Following Information

question 56

Short Answer

Calculate the pooled variance given the following information.
a. s₁² = 26, N₁ = 30 and s₂² = 32, N₂ = 40
b. s₁² = 3.5, N₁ = 12 and s₂² = 4.6, N₂ = 18

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