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1. Problem Solving (15Pts.) FORMULA: - EX/N H = 1 [X' P(X)] a -I [X7/N]-u 0 - VE[X /N] - P Random samples of size 2 are taken from the population consisting 3, 6, 9, 12, 15 Solve for the mean, variance and standard deviation of the population Samples Sample Mean 2. Solve for the mean, variance and standard deviation of the sample mean Sample Mean P(X) X * P(X) X . P(XX)