Question

find the mean of first 5 natural numbers?

Answer 1

mean = sum of observations÷total no of observations
=15÷5
=3
ans) the mean is 3

Answer 2

$mean \: of \: first \: 5natural \: number = \\ 1 + 2 + 3 + 4 + 5 \div 5 \\ = 15 \div 5 \\ \\ = 3$
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