You can view statistics for a single graded item, but you can also view statistics for all the graded items in the Gradebook. From the Gradebook main page, you can access the statistics by clicking the Statistics option from the right hand side.
The Analytics page will show all your graded items in a bar graph with the following information:
You can rollover the bar to get a more detailed information.
If you want to view or compare analytics for specific graded items, the steps are as follows:
To compare analytics for specific graded items, their anonymity status have to be the same. In other word, graded items that are not marked anonymously can only be compared with other graded items that are not marked anonymously. The same goes with graded items that are marked anonymously.