If the mean of the set of observations x1, x2,x3,…………x10 is 20

If the mean of the set of observations x1, x2,x3,…………x10 is 20, then the mean of
x1+4, x2+8, x3+12, ………….., x10+40 is …………..
(a) 38
(b) 40
(c) 42
(d) 44

Anurag Mishra Professor Asked on 24th May 2016 in Maths.
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1 Answer(s)

Answer: (c) 42 

Anurag Mishra Professor Answered on 31st May 2016.
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