An Excel pie chart displays categories of data as wedges in a circular graph. This format allows users to quickly see the contribution each category makes to the total figure and a correlation of ...

Microsoft Excel gives you a number of tools to build, update and manipulate graphs and charts. If you want to take the data from one chart and place it on another chart, Excel gives you two ways to ...

The first step in running regression analysis in Excel is to double-check that the free plugin Data Analysis ToolPak is installed. This plugin makes calculating a range of statistics very easy. It is ...

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 ...