Data can be presented in many ways that make it quicker and easier to read. In this section we will look at some of these ways. It is important to choose the best way to present data. A line graph can ...

You and a friend are sitting down to lunch, and all of a sudden…“AAACHOOOO!” One of you sneezes! Your first thought after “bless you” might be to wonder: “Did the cell phone, notebook, or peanut ...

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 ...

Microsoft Office Excel contains a data analysis add-in that allows to to perform a Fourier analysis of a series of numbers. So named for the French mathematician who developed the analytic technique ...

Every three months, the central bank updates a scatter chart showing where top officials believe rates are headed. Not everyone is a fan of the anonymous projections.