Despite the chant that correlation is not causation, some researchers believe the design of scatter plots nudges us to the wrong conclusions. Can a change in their design lessen that risk? Analyzing ...

Along with bar charts, scatter plots are probably the most common type of graph to help managers make decisions based on data. When you have a data set consisting of pairs of numbers, such as counts ...

Two columns or rows of data in Microsoft Excel may contain useful information, but you'll just have a set of numbers. You can give spreadsheet viewers a graphical representation of those numbers by ...

Let’s look at what correlation means in terms of the relationship between variables. Although our focus will be on positive correlation, we will also describe negative correlation and what we mean ...