File	Title	Manuscript Id
Chapter 1. Explanatory and response variables	stat_tutor_backup_20170608_ch_4_explanatory_and_response_variables.html	5939a03f7894d2fa7f000031
DLAP questions	stat_tutor_backup_20170608_ch_4_explanatory_and_response_variables_dlap.xml	5939a03f7894d2fa7f000031