Question

the mean of 1, 2, 3, 4 and 5​

Answer 1

☞Mean of 1,2,3,4 and 5 is :-

$\frac{sum \: of \: all \: no.}{total \: no. \: of \: numbers}$

$= \frac{1 + 2 + 3 + 4 + 5}{5}$

$= \frac{15}{5}$

$= 3$

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Hopes, it's helpful to you bro. ^_^