File	Title	Manuscript Id
Chapter 1. Least-squares regression line	stat_tutor_html5_ch_5_leastsquare_lines.html	58efd03e7894d2cc6800000e
DLAP questions	stat_tutor_html5_ch_5_leastsquare_lines_dlap.xml	58efd03e7894d2cc6800000e