find the median of the following data 135 148-150 120 128 128 136 155
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firstly, arrange it into ascending order....
after arranging..
120, 128,128,135,136,148,150,158.
let the num of terms be n...
1/2[(n/2)th term +{(n/2)+1} th term]
1/2[ (8/2) +( 8/2+1)th term]
1/2[4 +5]th term
1/2[135+136]
1/2[271]
=135.5
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(135+148+149+150+120+128
+128+136+155)÷2 =1,249÷2 =624.5
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