Find the mean of all factors of $10$ .

4.5

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6.5

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8.5

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None of these

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Solution

The correct option is A $4.5$
We know, factors of $10$ are : $1, 2, 5, 10$ .
Also, Mean is given by,
$Mean = \frac{Sum of the elements}{Total number of elements}$ .

Here, number of observations $= 4$ .
$⟹$ $M e a n = \frac{1 + 2 + 5 + 10}{4}$
$⟹$ $M e a n = \frac{18}{4}$
$⟹$ $M e a n = 4.5$ .
Therefore, option $A$ is correct.

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Find the mean of all factors of 10.

The correct option is A 4.5We know, factors of 10 are : 1,2,5,10.Also, Mean is given by,Mean=Sum of the elementsTotal number of elements. Here, number of observations =4.⟹ Mean=1+2+5+104⟹ Mean=184⟹ Mean=4.5.Therefore, option A is correct.

Find the mean of all factors of $10$ .