This space is archived
For current information please use the current ExamSys documentation
cache_paper_stats
Purpose: Holds statistics of the performance of a paper. Used in the Performance Summary reports.
Field | Type | Purpose |
|---|---|---|
paperID | mediumint(8) unsigned | ID of the paper |
cached | int(10) unsigned | Unix timestamp when the data was cached. |
max_mark | decimal(10,5) | Maximum student mark on the paper. |
max_percent | decimal(10,5) | Maximum student percentage on the paper. |
min_mark | decimal(10,5) | Minimum student mark on the paper. |
min_percent | decimal(10,5) | Minimum student percentage on the paper. |
q1 | decimal(10,5) | Quartile 1 percentage. |
q2 | decimal(10,5) | Quartile 2 percentage. |
q3 | decimal(10,5) | Quartile 3 percentage. |
mean_mark | decimal(10,5) | Mean student mark on the paper. |
mean_percent | decimal(10,5) | Mean student percentage on the paper. |
stdev_mark | decimal(10,5) | Standard deviation mark. |
stdev_percent | decimal(10,5) | Standard deviation percentage. |
See also: Marks Caching