Save guides, add subjects and pick up where you left off with your BBC account. A line graph is used to spot trends in data over time. In order to produce a line graph, data is required.

A time graph is a line graph which shows you data that has ... In Week 3 the plant measured 3cm. In Week 8 it measured 12 cm. The difference between 3cm and 12cm is 9cm. Here is a table showing ...