Mathematics for IGCSE & O level - Statistical Diagrams (Section 6 - No. 17)
When using a cumulative frequency diagram, what does the intersection of the line and the 50% mark indicate?
The upper quartile.
The median.
The lower quartile.
The mean.
คำอธิบาย
In a cumulative frequency diagram, the median is found where the line intersects the 50% mark.