But throughout the week, I noticed several startups making the same mistake: using cumulative graphs in their presentations. It’s an easy trap to fall into, but it’s best avoided. Investors ha ...

One way to provide context is with a bar chart ... For that, we need a graph of the total number of cases so far. This is called a cumulative graph, because each day’s data point is the sum ...

In the first two experiments, participants were each given a single graph, either a bar chart, line graph or point graph, populated with 50 datapoints representing weekly sales made by a ...