| File | Title | Manuscript Id |
|---|---|---|
| Chapter 1. Individuals and variables | stat_tutor_backup_20170608_ch_1_individuals_and_variables_2009.html | 5939a03f7894d2fa7f000006 |
| DLAP questions | stat_tutor_backup_20170608_ch_1_individuals_and_variables_2009_dlap.xml | 5939a03f7894d2fa7f000006 |