Question

if the mean of 8,6,4,x,3,6,0 is 4 find the value of x

Answer 1

ans is 1
hope this helps :)

Answer 2

hey here is your answer
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mean =$\frac{sum \: of \: all \: observation}{total \: observation}$

$4 = \frac{8+6+4+x+3+6+0}{7} \\ 4 \times 7 = 27 + x \\ 28 - 27 = x \\ x = 1$
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