Grades achieved by second-year psychology students at The Australian National University in an introductory research methods course and the percentage marks they received in the laboratory component of that course.
A data frame with 154 observations on the following 3 variables.
a numeric vector recording the percentage mark for the laboratory component of the course
a numeric vector recording the percentage mark for the final exam
a numeric vector taking the value
100 to indicate the value of censored observations
Data obtained from Michael Smithson.