Proportions and percentages

The exercise on this page asks you to evaluate a proportion or percentage based on a data set's cumulative distribution function.

Climate in Samaru, Nigeria

This exercise is based on climate records from 1928 to 1983 about Samaru in Northern Nigeria.

Drag the vertical red line in the graph to find the relevant cumulative proportion, then use the template to answer the question. Repeat with a few different questions.