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\name{calculus.grades}
\alias{calculus.grades}
\docType{data}
\title{Calculus grades dataset}
\description{
Grades and other variables collected for a
sample of calculus students.
}
\usage{
calculus.grades
}
\format{
A data frame with 100 observations on the following 3 variables.
\describe{
\item{grade}{indicates if student received a A or B in class}
\item{prev.grade}{indicates if student received a A in prerequisite math class}
\item{act}{score on the ACT math test}
}
}
\source{Collected by a colleague of the author at his university.}
\keyword{datasets}
|
