File	Title	Manuscript Id
Chapter 1. Two-Way Tables	stat_tutor_backup_20170608_ch_23_two_way_tables.html	5939a03f7894d2fa7f000070
DLAP questions	stat_tutor_backup_20170608_ch_23_two_way_tables_dlap.xml	5939a03f7894d2fa7f000070