Question:
Find the median of the data:
15, 6, 16, 8, 22, 21, 9, 18, 25
Solution:
Numbers are 15, 6, 16, 8, 22, 21, 9, 18, 25
Arranging the numbers in ascending order
6, 8, 9, 15, 16, 21, 22, 25
n = 9 (odd)
$\therefore$ Median $=\left(\frac{\mathrm{n}+1}{2}\right)^{\text {th }}$ value
$=\left(\frac{9+1}{2}\right)^{\text {th }}$ value
$=5^{\text {th }}$ value $=16$
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