As an example:
Open
Help=>Sample Data Folder=>Blood Presure.jmp
![txnelson_0-1717604503417.png txnelson_0-1717604503417.png](https://community.jmp.com/t5/image/serverpage/image-id/64919i270BDDBB1D470CBD/image-size/medium?v=v2&px=400)
Stack the BP columns using
Tables=>Stack
![txnelson_1-1717604611798.png txnelson_1-1717604611798.png](https://community.jmp.com/t5/image/serverpage/image-id/64920i87D3D7AD35EFD979/image-size/medium?v=v2&px=400)
Go to Graph Builder and Drag the Data column to the X Axis and the Label column to the Overlay drop area and then click on the Histogram icon
![txnelson_2-1717604751638.png txnelson_2-1717604751638.png](https://community.jmp.com/t5/image/serverpage/image-id/64921iB77949A0134F7E73/image-size/medium?v=v2&px=400)
Jim