I have reattached your workbook. To create a bullet graph you need two measures. Therefore, you need to create a calculated field that will find the total average. Create a calculated field similar to Calculation1 in the attached workbook. Once it is on the view, right click on it, select Compute Using-->Pane (Down). I hope this helps! Let me know if you have further questions.
Bullet SuperStore.twbx.zip 402.7 KB
Tracy, thank you for your work on these forums. I know it's not necessarily expected that employees hang out here, but you're doing a great job.
This is what I had come up with after my request last week and reviewing again Tableau documentation. It confirms I was on the right track.
As this was my first post in Tableau's community, it's nice to know support is really available !