| File | Title | Manuscript Id |
|---|---|---|
| Chapter 1. Measuring spread: the quartiles | stat_tutor_html5_ch_2_measuring_spread_standard_deviation_copyofold.html | 58efd03f7894d2cc6800009b |
| DLAP questions | stat_tutor_html5_ch_2_measuring_spread_standard_deviation_copyofold_dlap.xml | 58efd03f7894d2cc6800009b |