File	Title	Manuscript Id
Chapter 1. Two-Sample Problems: Proportions	stat_tutor_html5_ch_21_twosample_problemsproportions.html	58efd03e7894d2cc68000051
DLAP questions	stat_tutor_html5_ch_21_twosample_problemsproportions_dlap.xml	58efd03e7894d2cc68000051