Mathematics for IGCSE & O level - Statistical Diagrams (Section 5 - No. 38)
Which statement best describes the relationship between frequency density, frequency, and class width in a histogram?
Frequency density = Frequency * Class width
Frequency = Frequency density * Class width
Class width = Frequency density * Frequency
Frequency density = Frequency + Class width
Giải thích
The relationship is defined by the formula: frequency = frequency density * class width.