The median of the following observation give in order:16,18,20,24-x,22+2x,28,30 is 24.Find x
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Median = 24.
Observations are 16,18,20,24-x,22+2x,28,30...
Median = sum of all observations/ no. Of observations
24 = 16+18+20+24-x+22+2x+28+30/7.
No . Of observations = 7 which is odd.
24 = 158+x / 7
168 = 158 + x
X = 10.
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