Question 1070233: Find the aremides mean of first n natural numbers
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Find the arithmetic mean of first n natural numbers.
----
First n:: 1,2,3,... n
-------
Ans: Aritmetic mean = sum of the numbers/number of the numbers
----
Sum = (n/2)(1+n) = (n+n^2)/2
# of numbers:: n
-----
Ans:: [(n+n^2)/2]/n = (1+n)/2
---------------
Cheers,
Stan H.
------------
|
|
|
