If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Scatter graphs are used to represent and compare two sets of data. By looking at a scatter graph, we can see whether there is any connection (correlation) between the two sets of data. Matt sells ...

In this example, you use the Fitness data set as the basis of your scatter plot. If you have not already done so, open the Fitness data set by following these steps: ...

They're all around us. They're on our food, in the news, in books and on social media. Andsometimes, this big jumble of numbers can seem daunting. But I think they're 100% interesting. Andif you know ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. If you are looking for examples of misleading or deceptive graphs, it is far ...