\name{ex14.22} \alias{ex14.22} \docType{data} \title{data from exercise 14.22} \description{ The \code{ex14.22} data frame has 25 rows and 1 columns. } \format{ This data frame contains the following columns: \describe{ \item{toughnss}{ a numeric vector } } } \details{ } \source{ Devore, J. L. (2003) \emph{Probability and Statistics for Engineering and the Sciences (6th ed)}, Duxbury } \examples{ data(ex14.22) } \keyword{datasets}