Find the mean of the first five even natural numbers?

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Solution

Compute the required mean:
Natural numbers are $1, 2, 3, 4, 5, 6, . . .$
The first five even natural numbers are $2, 4, 6, 8, 10$ .
We know that, $M e a n = \frac{S u m o f a l l t h e o b s e r v a t i o n s}{T o t a l n u m b e r o f o b s e r v a t i o n s}$
Therefore, to calculate the mean,
$M e a n = \frac{2 + 4 + 6 + 8 + 10}{5} = \frac{30}{5} = 6$
Hence, the mean of the first five even natural numbers is $6$ .

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Find the mean of the first five even natural numbers?

Compute the required mean:Natural numbers are 1,2,3,4,5,6,...The first five even natural numbers are 2,4,6,8,10.We know that, Mean=SumofalltheobservationsTotalnumberofobservationsTherefore, to calculate the mean,Mean=2+4+6+8+105=305=6Hence, the mean of the first five even natural numbers is 6.