Question

find the average of all even numbers upto 100 ​

Answer 1

Answer:

50.5

there is a formula for sum of n numbers

sum of n numbers = (n (n+1))/2

sum of 100 numbers = (100(101))/2 = 50×101 = 5050

average = sum / total number of values = 5050÷100 = 50.5

hope it helps

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Answer 2

Answer:-

2

Explanation:-

We have

Sum of observations(sum of all even no.s till 100) = 100

Number of observations = 50

Therefore,

$average = \frac{sum \: of \: observations}{number \: of \: observations}$

$= \frac{100}{50} = 2$

Additional Information:-

$average = \frac{sum \: of \: observations}{number \: of \: observations}$

Hope it helped you......