Mathematics for IGCSE & O level - Statistical Diagrams (Section 1 - No. 33)
What is the relationship between the cumulative frequency and the frequency?
The cumulative frequency is the total of all frequencies up to and including the current interval.
The cumulative frequency is the frequency of the last interval.
The cumulative frequency is the average of all frequencies.
The cumulative frequency is always the same as the frequency.
Giải thích
Cumulative frequency represents a running total of frequencies up to a certain point.