Question: Effect of scaling and offset on average and standard deviation. Suppose r is an n-vector and a and 3 are scalars. (a) Show that

Effect of scaling and offset on average and standard deviation. Suppose r

Effect of scaling and offset on average and standard deviation. Suppose r is an n-vector and a and 3 are scalars. (a) Show that avg(ax + 31) = a avg(x) +B. (b) Show that std(ar +31) = la| std(r).

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