Mathematics for IGCSE & O level - Statistical Diagrams (Section 4 - No. 27)
What is the relationship between the class width, frequency, and frequency density in a histogram?
Frequency Density = Frequency x Class Width
Frequency = Frequency Density x Class Width
Class Width = Frequency x Frequency Density
Frequency Density = Frequency / Class Width
คำอธิบาย
Frequency density is calculated by dividing the frequency by the class width.