Question

the mean of n observations is x if the first atom is increased by 1 second by 2 and so on the find new mean​

Answer 1

Let,

1

2

3

4

5 be the numbers

So, mean =1+2+3+4+5÷5=15÷5=3

If addition is done as given,

Then,2+4+6+8+10÷5=30÷5=6

So, mean gets doubled

Therefor.new mean =2X