Go to Gradebook.

Select Gradebook from the site Tool Menu.
Click the arrow icon and then select View Grade Statistics.

- Select the caret icon (Open menu) associated with a Gradebook item.
- Choose View Grade Statistics from the dropdown menu.
View the statistics.

- Based on the current available scores for the Gradebook item you've selected, Grade Statistics lists:
- Average (mean) grade
- Median grade
- Standard deviation
- Lowest grade
- Highest grade
- Total graded
- Select Done to close Grade Statistics and return to the Gradebook.