| File | Title | Manuscript Id |
|---|---|---|
| Chapter 1. Adding categorical variables to scatterplots | stat_tutor_flash_backup_ch_4_adding_categorical_variables_to_scatterplots.html | 595fcb4f7894d29629000077 |
| DLAP questions | stat_tutor_flash_backup_ch_4_adding_categorical_variables_to_scatterplots_dlap.xml | 595fcb4f7894d29629000077 |