Mathematics for IGCSE & O level - Statistical Diagrams (Section 3 - No. 26)
What does the term 'frequency' refer to in a frequency table or histogram?
The class width of an interval.
The number of times a data value occurs within a class interval.
The range of the data.
The total number of data points.
Giải thích
Frequency is the number of occurrences within an interval.