Page 4 - Lesson Note MCT 2 53
P. 4
= ∑ = 100
Median = ℎ ℎ
2
100
= = 50th data in the series.
2
Median class is 40 – 45
= 40, f = 20, c. f = 30, i = 5.
1
− .
Median = + 2 ×
1
50 − 30
= 40 + × 5
20
100
= 40 + = 20 + 5
20
= 45
