if the meridan data 6,7,x-2,x,18,21written in ascending order is 16 then the varince of that data
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If the number of terms in the given data is even... Then the median is the average of central terms..
The central terms are x-2 and x
MEDIAN is
x-2+x/2 = 16
2x -2 = 32
2x = 34
x = 17
The value of x is 17
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