Question
Download Solution PDFWhat is the mean deviation of the first 10 natural numbers?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
The mean of 10 natural numbers
⇒ \(\overline{x} = \frac{1+2+3+4+....10}{10}\)
= \(\frac{10\times11}{2\times10}\) = 5.5
Mean deviation = \(\frac{[1- 5.5] [2-5.5] [3- 5.5] ... [10- 5.5]}{10} = 2.5\)
∴ Option (b) is correct.
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