Question

. Find the mean of first five natural numbers ​

Answer 1

Answer:

the sum of observation/number of observations

Answer 2

Answer:

$mean = \frac{sum \: of \: observations}{number \: of \: observations} \\ mean = \frac{1 + 2 + 3 + 4 + 5}{5} \\ = \frac{15}{5} = 3$

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