\name{ex13.70} \alias{ex13.70} \title{data from exercise 13.70} \description{ The \code{ex13.70} data frame has 12 rows and 2 columns. } \format{ This data frame contains the following columns: \describe{ \item{log.con.}{ a numeric vector } \item{Li2O}{ a numeric vector } } } \details{ } \source{ Devore, J. L. (2000) \emph{Probability and Statistics for Engineering and the Sciences (5th ed)}, Duxbury } \examples{ data(ex13.70) } \keyword{datasets}