The Arithmetic mean of integers from $- 5$ to $5$ is

3

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0

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25

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10

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Solution

The correct option is D $0$
All integers from $- 5$ to $5$ are:
$- 5, - 4, - 3, - 2, - 1, 0, 1, 2, 3, 4, 5$ .

We know that, arithmetic mean $= \frac{Sum of all observations}{Number of observations}$

Hence, sum of all numbers $= (- 5) + (- 4) + (- 3) + (- 2) + (- 1) + 0 + 1 + 2 + 3 + 4 + 5$
$= 0$

Total integers $= 11$

Hence, arithmetic mean $= \frac{0}{11}$
$= 0$ .

Hence, the arithmetic mean of integers from $- 5$ to $5$ is $0$ .

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Find out mean deviation and coefficient of mean deviation, using arithmetic mean from the following data:

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