Mathematics for IGCSE & O level - Statistical Diagrams (Section 5 - No. 42)
Which statements are correct about the shape of cumulative frequency diagrams?
They always start at the origin.
They always have an S-shape.
They always increase.
The gradient decreases
ব্যাখ্যা
Cumulative frequency diagrams always increase and the gradient decreases as it approaches the maximum cumulative frequency