Data are from 93 college student course evaluations. Based on data from Andrew Gelman and Jennifer Hill, 2007, "Replications Data for Data Analysis Using Regression Multilevel/Hierarchical Models," http://hdl.handle.net/1902.1/10285 .
COURSE_EVAL includes the mean course rating
PROF_EVAL includes the mean professor rating
PROF_AGE includes the professor age in years
SIZE includes the number of course evaluations per course
PROF_BEAUTY includes the mean beauty rating based on the professor's photo
A data frame with 93 rows and 6 variables
Triola, M. 2018. Elementary Statistics, 13th ed. Boston, MA: Pearson.
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