| File | Title | Manuscript Id |
|---|---|---|
| Chapter 1. Quantitative variables: Histograms | stat_tutor_html5_ch_1_quantitative_data_histograms_2009.html | 58efd03e7894d2cc68000041 |
| DLAP questions | stat_tutor_html5_ch_1_quantitative_data_histograms_2009_dlap.xml | 58efd03e7894d2cc68000041 |