What do the different scores mean?

When running reports, you will see two different statuses for those who have completed training. 

For courses with a quiz, you will see "passed" with the score next to it: 

For courses without a quiz, you will see "passed" without a score next to it: 

When exporting your reports to CSV, for ease of filtering, the terminology is changed slightly, so those courses that don't have a quiz will be changed to "completed". This shows that the user has watched the course to the end.