A cumulative frequency diagram reproduces this table as a graph. The table below shows the ... axis (the cumulative frequency axis). Draw a line across until it meets the curve.

Cumulative frequency is plotted on the vertical axis and length is plotted on the horizontal axis. To find the median value, draw a line across ... Reading from the graph, the lower quartile ...

Lorenz curves graph percentiles of the population against cumulative income or wealth of ... is often accompanied by a straight diagonal line with a slope of 1, which represents perfect equality ...