Extra Credit: ( 4 pts, no partial credit) Suppose we have a set of n values: {11, x2; ' xn-I' In} The sample mean of
Extra Credit: ( 4 pts, no partial credit) Suppose we have a set of n values: {11, x2; ' xn-I' In} The sample mean of the above set is f. Prove that if we multiply every value by k, then the new average will be: New average = k)? (Hint: Use the formula for the sample mean with the \"new\" set plugged in, then simplify.)
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