Reading Assignment 2.3, 2.4 -- Considering categorical data and Case Study

Please read Sections 2.3, 2.4 of the textbook. Use these slides or the corresponding video to review the concepts or to refer back to when doing the homework questions. 

Section 2.3:   [ Discussion Slides  Links to an external site. ]     [ Video Links to an external site. ]

Section 2.4:   [ Discussion Slides  Links to an external site. ]     [ Video Links to an external site. ]  (from 1st ed.)