Question

the arithemetic mean first five odd natural number​

Answer 1

Step-by-step explanation:

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Consider the mean of the first five odd natural numbers,

$m = \frac{1 + 3 + 5 + 7 + 9}{5}$

$= \frac{25}{5} = 5$

The idea is the sum of first n odd number is n², for find the Average of first n odd numbers so it is divide by n, hence formula is n²/n = n

Hence, this is the answer.