Problem 2. Suppose X1, ..., 21 are 21 random samples from N(u, o2), and the data are -0.810, 0.593, 1.706, 1.138, -0.350, 0.693, 1.397, 0.784,
Problem 2. Suppose X1, ..., 21 are 21 random samples from N(u, o2), and the data are -0.810, 0.593, 1.706, 1.138, -0.350, 0.693, 1.397, 0.784, -0.438, 1.699, 1.723, 2.767, -0.646, -0.920, 2.605, 1.516, 0.286, 2.573, 1.176, 0.770, 2.019. Construct the EXACT 95% confidence intervals for u and o2. The truth is u = 1, 02 =1. Do your confidence intervals cover the truth
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