\name{xmp13.22} \alias{xmp13.22} \docType{data} \title{data from Example 13.22} \description{ The \code{xmp13.22} data frame has 10 rows and 3 columns. } \format{ This data frame contains the following columns: \describe{ \item{Strength}{ a numeric vector } \item{Sp.grav.}{ a numeric vector } \item{Moisture}{ a numeric vector } } } \details{ } \source{ Devore, J. L. (2003) \emph{Probability and Statistics for Engineering and the Sciences (6th ed)}, Duxbury } \examples{ data(xmp13.22) } \keyword{datasets}