Find the sum of the deviations of the data 5 , 4 , 7 , 9 , 10 from their mean

-1

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Solution

The correct option is B
0

Mean of the given data = $\frac{5 + 4 + 7 + 9 + 10}{5}$

= 7

Sum of the deviations of the given data from their mean = 5 - 7 + 4 -7 + 7 - 7 + 9 - 7 + 10 - 7

= -2 + -3 + 0 + 2 + 3

= 0

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