| File | Title | Manuscript Id |
|---|---|---|
| Chapter 1. Population versus sample | stat_tutor_backup_20170608_ch_8_population_versus_sample_2009.html | 5939a03f7894d2fa7f00002b |
| DLAP questions | stat_tutor_backup_20170608_ch_8_population_versus_sample_2009_dlap.xml | 5939a03f7894d2fa7f00002b |