Mathematics for IGCSE & O level - Statistical Diagrams (Section 1 - No. 4)
what is the relationship between frequency density, frequency, and class width?
Frequency density = Frequency x Class Width
Frequency = Frequency Density x Class Width
Class Width = Frequency Density x Frequency
All of the above
解释
'Frequency density = frequency / class width' which can be rearranged.