\name{ex01.60}
\alias{ex01.60}
\docType{data}
\title{data from exercise 1.60}
\description{
The \code{ex01.60} data frame has 23 rows and 2 columns.
}
\format{
This data frame contains the following columns:
\describe{
\item{strength}{
a numeric vector of weld strengths
}
\item{type}{
a factor with levels \code{Cannister} or \code{Test} indicating the type
of weld.
}
}
}
\details{}
\source{
  Devore, J. L. (2003) \emph{Probability and Statistics for Engineering and the Sciences (6th ed)}, Duxbury
}
\examples{
data(ex01.60)
}
\keyword{datasets}