Lab percentage mark, letter grade, lower and upper grade thresholds, a censored variable value, and the final percentage course mark.
A data frame with 165 observations on the following 6 variables.
a numeric vector recording the percentage mark for the laboratory component of the course
a factor denoting the letter grade for the course, with levels
a numeric vector denoting the lower threshold for the corresponding letter grade
a numeric vector denoting the upper threshold for the corresponding letter grade
a numeric vector listing the censoring value of a mark,
a numeric vector recording the final percentage mark for the course
Data obtained from Michael Smithson.