Question
Find the mean of first five natural numbers.
✓
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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