Question: Given the sample data x 1 = 25 x 2 = 22 s 1 = 12 s 2 = 18 n 1 = 80 n

Given the sample data

x̅1 = 25   x̅2 = 22

s1 = 12   s2 = 18

n1 = 80  n2 = 100

estimate the true difference between the means with 95% confidence.

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