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 ...

But when the text was accompanied by a simple graph making exactly the same claim, 97% believed it, say Aner Tal and Brian Wansink of Cornell. Graphs’ persuasiveness has nothing to do with ease ...

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 ...