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(c) The following five pairs of numbers were sampled from a two-dimensional normal distribution with mean # = and covariance E = (_ 3) X1 2.02 -0.21 1.55 -0.05 0.81 X2 -2.08 -1.18 -0.77 -1.15 1.32 Compute the sample mean and sample covariance, and explain the implications for learning of the results of your calculations