Question
Find the mean of the first five whole numbers.
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Answer
First 5 whole numbers are $0, 1, 2, 3$ and $4.$
Arithmetic mean = $\frac{\text { Sum of all observations }}{\text { number of observations }}$
$= \frac{0+1+2+3+4}{5} = \frac{10}{5} = 2$
Arithmetic mean = $\frac{\text { Sum of all observations }}{\text { number of observations }}$
$= \frac{0+1+2+3+4}{5} = \frac{10}{5} = 2$
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