Q.
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
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a
α−54
b
α−12
c
α−2
d
α+54
answer is A.
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Detailed Solution
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
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