Question

find mean of first 11 even natural numbers ​

Answer 1

Step-by-step explanation:

Natural nums=11

1+2+3+4+5+6+7+8+9+10+11/11

66/11=6.

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Answer 2

Given,

Series have first 11 even natural numbers ​

To Find,

Mean of given series=?

Solution,

First 11 even natural numbers ​are   2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22.

Total number of elements = 11

From the formula of mean, we know that,

Mean  = Sum of all observation/ Total observations

Mean = ( 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 + 22)/ 11

Mean = 132 / 11

Mean =  12

Hence, the mean of the first 11 even natural numbers ​is 12