. Part 3: Statistics (4 points) Let X = 20, n = 11, E(X, - X)2 = 40 and assume o': unknown. (Zo.025 = 1.96
. Part 3: Statistics (4 points) Let X = 20, n = 11, E(X, - X)2 = 40 and assume o': unknown. (Zo.025 = 1.96 and to.025, 10 = 2.228) 1. Find the 95% Confidence interval for . 2. Now let n = 101 (large), E(X, - X)
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