A line graph is used to spot trends in data over time. In order to produce a line graph, data is required. The data often comes in the form of a table. A student recorded how much time they spent ...

There is a wealth of great stories locked behind mountains of data. But who wants to mine through reams of numbers and stats?

Figure 1: A Graph showing grades achieved against the time spent on an essay. Credit: Technology Networks. Given the data shown in Figure 1, suppose we wanted to estimate a score for someone who had ...