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.
Add Comment
  • 1 Answer(s)

    Answer: (c) 42 

    Anurag Mishra Professor Answered on 31st May 2016.
    Add Comment
  • Your Answer

    By posting your answer, you agree to the privacy policy and terms of service.