Question
Find the mean of first five natural numbers.
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Answer
The first five natural numbers are $1, 2, 3, 4$ and $5.$
Let $\bar{\text{x}}$ denote their arithmetic mean.
Then, $\bar{\text{x}} = (1 + 2 + 3 + 4 + 5) ÷ 5 = 15 ÷ 5 = 3$
Let $\bar{\text{x}}$ denote their arithmetic mean.
Then, $\bar{\text{x}} = (1 + 2 + 3 + 4 + 5) ÷ 5 = 15 ÷ 5 = 3$
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