\name{ex11.40} \alias{ex11.40} \docType{data} \title{data from exercise 11.40} \description{ The \code{ex11.40} data frame has 32 rows and 5 columns. } \format{ This data frame contains the following columns: \describe{ \item{sizing}{ a numeric vector } \item{conc}{ a numeric vector } \item{pH}{ a numeric vector } \item{tempture}{ a numeric vector } \item{time}{ a numeric vector } } } \details{ } \source{ Devore, J. L. (2003) \emph{Probability and Statistics for Engineering and the Sciences (6th ed)}, Duxbury } \examples{ data(ex11.40) } \keyword{datasets}