\name{ex15.05}
\alias{ex15.05}
\docType{data}
\title{data from exercise 15.5}
\description{
The \code{ex15.05} data frame has 12 rows and 3 columns.
}
\format{
This data frame contains the following columns:
\describe{
\item{Sample}{
a numeric vector
}
\item{Gravimetric}{
a numeric vector
}
\item{Spectrophotometric}{
a numeric vector
}
}
}
\details{
}
\source{
  Devore, J. L. (2003) \emph{Probability and Statistics for Engineering and the Sciences (6th ed)}, Duxbury
}
\examples{
data(ex15.05)
}
\keyword{datasets}