Question

if the median of the data is 13 find the value of x: 3,6,7, 10,x ,x + 4 ,19 ,20 ,25, 28

Answer 1

median=(n/2th obs.+(n/2+1)th obs)/2 if n is even here n/2 th obs =5h obs.=x
and n/2+1 th obs is 6th obs.=x+4
thus (x+x+4)/2=13
=>2x+4=26
=>x=11

Answer 2

X=11

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