Professor ratings (Data file: Rate prof) In the website and online forum RateMyProfessors.com, students rate and comment on their instructors. Launched in 1999, the site includes millions of ratings...

Professor ratings (Data file: Rate prof) In the website and online forum RateMyProfessors.com, students rate and comment on their instructors. Launched in 1999, the site includes millions of ratings on thousands of instructors. The data file includes the summaries of the ratings of 364 instructors at a large campus in the Midwest (Bleske-Rechek and Fritsch, 2011). Each instructor included in the data had at least 10 ratings over a several year period. Students provided ratings of 1–5 on quality,

helpfulness, clarity, easiness of instructor’s courses, and rater Interest in the subject matter covered in the instructor’s courses. The data file provides the averages of these five ratings, and these are shown in the scatterplot matrix in Provide a brief description of the relationships between the five ratings.