waecmaths question:
The following are scores obtained by some students in a test
8 18 10 14 18 11 13 14 13 17 15 8 16 13
Find the median score
Option A:
14.5
Option B:
14.0
Option C:
13.5
Option D:
13.0
waecmaths solution:
Arranging the given data in increasing order of magnitude
8, 8, 10, 11, 13, 13, 13,14, 14, 15, 16, 17,18, 18
The median fallen on 13 and 14
The median will be $\frac{13+14}{2}=\frac{27}{2}=13.5$
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