For a distribution,
$\sum F X = 5 x + 2, \sum F = 12$

If the mean of the distribution is 6, what is the value of x?

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Solution

The correct option is B
14

$M e a n = \frac{\sum F X}{\sum F} \Rightarrow \frac{5 x + 2}{12} = 6 \Rightarrow x = 14$

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