\name{ex09.79} \alias{ex09.79} \docType{data} \title{data from exercise 9.79} \description{ The \code{ex09.79} data frame has 8 rows and 2 columns. } \format{ This data frame contains the following columns: \describe{ \item{Good.visibility}{ a numeric vector } \item{Poor.visibility}{ a numeric vector } } } \details{ } \source{ Devore, J. L. (2003) \emph{Probability and Statistics for Engineering and the Sciences (6th ed)}, Duxbury } \examples{ data(ex09.79) } \keyword{datasets}