Question 58

For the data given below. find the sum of mode. median and mean.
6, 3, 8, 4, 3, 11, 7, 4, 5, 4.

Solution

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6, 3, 8, 4, 3, 11, 7, 4, 5, 4

Arrange the series in ascending order.

3, 3, 4, 4, 4, 5, 6, 7, 8, 11

Median = $$\frac{(4 + 5)}{2}$$ = 4.5    Eq.(1)

Mode = most repeated number = 4    Eq.(2)

Mean = $$\frac{(6 + 3 + 8 + 4 + 3 + 11 + 7 + 4 + 5 + 4)}{10}$$

= $$\frac{55}{10}$$

= 5.5    Eq.(3)

Addition Eq.(1), Eq.(2) and Eq.(3).

= 4.5 + 4 + 5.5

= 14

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