How to Interpret PPC Data Correctly (Even If You Never Studied Statistics) Find high-value insights in your PPC data and avoid the cost (and embarrassment) of newbie mistakes with these strategies ...

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.

Learn more about covariance and how financial planners and economists use the concept. Explore an example of covariance in the stock market.