Mathematics for IGCSE & O level - Statistical Diagrams (Section 6 - No. 15)
If the class width doubles, what is the impact on the frequency density?
It doubles
It halves
It stays the same
It quadruples
Εξήγηση
Frequency Density = Frequency/ Class Width. If the class width doubles, then Frequency Density becomes Frequency / 2(Class Width), or halved