You can use the Frequency function within Excel in Microsoft Office 2011 for the Macintosh platform to calculate the frequency of data that lies within a certain range.

You can make a bar graph in Excel by first selecting the range you want to depict, and then using the dropdown menu to select the desired chart.

How to Put a Gaussian Curve on a Graph in Excel. Gaussian curves, normal curves and bell curves are synonymous. Each represents how statistical data with normal distribution plots on a graph.