In each of the following cases, find the mean a standard deviation of the sampling distribution for the sample mean, for a sample of size n from a population with mean m and standard deviation σ.

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(a) n = 5, u (b) n = (c) n = (d) n = 10, o = 2 10, u = 10, o = 3 10, 10, = 5, G = 3 20, = 5, o = 2