Mathematics for IGCSE & O level - Statistical Diagrams (Section 1 - No. 12)

How do you find the number of data points above a certain value using a cumulative frequency diagram?

Find the cumulative frequency corresponding to that value and subtract it from the total.

Directly read the value on the y-axis.

Subtract the x-axis value from the total.

It cannot be determined using a cumulative frequency diagram.

You subtract the cumulative frequency at the specified value from the total cumulative frequency.