Question

Find median and mean. Also find mode by using empirical relation

Answer 1

mean= ∑fi xi
           ---------
              fi


  48*4 + 50 *3 + 52*2 + 54*1 + 56*2
-------------------------------------------------
                       12

median = l + (n/2 - cf)
                     -----------  *h
                           f
substitute the values in the above formula to get the median