MCQ
Find the mean of first six natural numbers:
- A3.6
- B7
- C3.5
- D3.5
Solution:
First six natural numbers = 1, 2, 3, 4, 5, 6
$\text{ Mean} = \frac{\text{Sum}}{\text{Number of observations}} $
$\text{Mean} = \frac{1 + 2 + 3 + 4 + 5 +6}{6} = \dfrac{21}{6}$
$ =3.5$
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