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\(\begin{array}{c|c}Age & 20 & 25 & 30 & 35 & 40 & 45 \\

\(\begin{array}{c|c}Age & 20 & 25 & 30 & 35 & 40 & 45 \\
\hline \text{No. of people} & 3 & 5 & 1 & 1 & 2 & 3 \end{array}\)

Calculate the median age of the frequency distribution in the table above

A.

25

B.

30

C.

35

D.

20

View answer & explanation

Correct answer is A

N = \(\sum f\) = 15

Hence the median age is the \(\frac{N + 1}{2}\)th age, i.e.

\(\frac{15 + 1}{2}\)th = 8th

From the table, the age that falls on the 8th position when arranged in ascending order is 25years

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