JMP Tutorial:
Side-by-Side Box Plot

Click the link below and save the following JMP file to your Desktop:

Now go to your Desktop and double click on the JMP file you just downloaded.
This action will start JMP and display the content of this file:

Notice that the data are in two columns.
Also notice that Earnings is a quantitative variable, while Group is a categorical variable.

Go to the Analyze menu and select Fit Y by X:

Click the column Earnings, then click Y, Response.
Click the column Group, then click X, Factor.
You should see the following:

Click OK:

 

Click the red down arrow next to Oneway Analysis of Earnings By Group and select Quantiles:

You should see: