WAEC - Mathematics (1988 - No. 7)
A group of students took a test and the following frequency table shows the scores above
The median score is
o
2.5
3
5
7
Forklaring
There are 20 students. Hence, the median is found by the average of the 10th and 11th score.
= \(\frac{3 + 3}{2}\)
= 3