Question

The mean of a 20 observations is 24. Find the mean of the new data set obtained by:
(a) Adding 5 to each observation of the original data set.
(b) Subtracting 3 from each observation of the original data set.
(c) Multiplying each observation of the original data set by 3.
(d) Dividing each observation of the original data set by 4.​

Answer 1

(a)24+5=29

(b)24-3=21

(c)24×3=72

(d)24/4=6

Answer 2

Answer:

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