If Each of n Numbers x1=i(i=1, 2, 3, ….n) is Replaced by (i+1) x1

If each of n numbers x1=i(i=1, 2, 3, ….n) is replaced by (i+1) x1, then the new mean is

  1. (n+3)/2
  2. n(n+1)/2
  3. (n+1)(n+2)/3n
  4. (n+1)(n+2)/3
Anurag Mishra Professor Asked on 7th November 2015 in Maths.
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    Answer: (4) (n+1)(n+2)/3

    Anurag Mishra Professor Answered on 19th May 2016.
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