If a variable takes the discrete values α+4, α−72,α−52,α−3,α−2,α+12,α−12,α+5(α>0) then the median is
α−54
α−12
α−2
α+54
Arrange the data as follows: α−72,α−3,α−52,α−2,α−12,α+12,α+4,α+5
Median =12 [valueof 4 thitem + valueof 5 thitem] ∴ Median =α−2+α−122=2α−522=α−54