The mean of n observations x1,x2,x3.....xn is X. If (a-b) is added to each of the observations, show that the mean of the new set of observations is X+(a-b)

The mean of n observations x1,x2,x3.....xn is $X$ . If (a-b) is added to each of the observations, show that the mean of the new set of observations is $X$ +(a-b)

Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.