| File | Title | Manuscript Id |
|---|---|---|
| Chapter 1. Adding categorical variables to scatterplots | stat_tutor_html5_ch_4_adding_categorical_variables_to_scatterplots.html | 58efd03e7894d2cc68000077 |
| DLAP questions | stat_tutor_html5_ch_4_adding_categorical_variables_to_scatterplots_dlap.xml | 58efd03e7894d2cc68000077 |