2013
Mathematics
JAMB
Calculate the median age of the frequency distribution in the table above
A.
25
B.
30
C.
35
D.
20
Correct Answer: 25
Explanation
N = ∑f = 15 Hence the median age is the (N+1/2)th age,i.e. (15+1)/2)th = 8th From the table, the age that falls on the 8th position when arranged in ascending order is 25years
N = ∑f = 15 Hence the median age is the (N+1/2)th age,i.e. (15+1)/2)th = 8th From the table, the age that falls on the 8th position when arranged in ascending order is 25yearsTHIS WEEK's
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