Given the following information,calculate S_p²,the pooled sample variance that should be used in the pooled-variance t test. S₁² = 4 S₂² = 6
N₁ = 16 n₂ = 25

Question

Quizplus · Accepted Answer

The pooled sample variance is calculated as:S_p² = [(n₁ - 1)S₁² + (n₂ - 1)S₂²] / (n₁ + n₂ - 2)= [(16 - 1)4 + (25 - 1)6] / (16 + 25 - 2)= [60 + 144] / 39= 204 / 39= 5.23 (rounded to two decimal places)

Given the Following Information,calculate Sp2,the Pooled Sample Variance That Should

Given the Following Information,calculate S_p²,the Pooled Sample Variance That Should