\name{ex06.09} \alias{ex06.09} \title{data from exercise 6.9} \description{ The \code{ex06.09} data frame has 150 rows and 1 columns. } \format{ This data frame contains the following columns: \describe{ \item{scratch}{ a numeric vector } } } \details{ } \source{ Devore, J. L. (2000) \emph{Probability and Statistics for Engineering and the Sciences (5th ed)}, Duxbury } \examples{ data(ex06.09) } \keyword{datasets}