| 2019-10-16 | update practice exams | blob | diff | raw | |
| 2019-09-30 | update practice exam schedule | blob | diff | raw | diff to current | |
| 2019-09-16 | [methods] expand probability (conf. intervals, sample... | blob | diff | raw | diff to current | |
| 2019-09-16 | add practice exam spreadsheet | blob | diff | raw | diff to current | |