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.

You can give spreadsheet viewers a graphical representation of those numbers by letting Excel generate visually illustrative charts. An X-Y scatter chart is an ideal plot choice when you have data ...

Regardless, here is our guide to get you started on creating a scatter plot in the latest version of Excel and you can decide later if a different chart style is in order. In our demo, we wanted ...

In an Excel bar chart, each data point is represented ... Here is a scatter plot showing a positive correlation between study time and test scores. The graph shows that the more one studies ...

Data can be overwhelming, but Excel's CORREL function helps you cut through the noise. Calculating the correlation ...

Microsoft Excel 2013 enables you to add sets of data to a chart one at a time. If your data is in the proper order, however, you can plot both sets of data at the same time. Adding Data Sets One ...