Mathematics for IGCSE & O level - Statistical Diagrams (Section 5 - No. 21)
In a cumulative frequency table, the cumulative frequency represents...
The total frequency for each class interval
The sum of the frequencies up to and including a particular class interval
The frequency of each class interval.
The difference between the highest and lowest frequencies
คำอธิบาย
The cumulative frequency represents the running total of frequencies up to a certain point.