\name{xmp08.08} \alias{xmp08.08} \docType{data} \title{data from Example 8.8} \description{ The \code{xmp08.08} data frame has 52 rows and 1 columns. } \format{ This data frame contains the following columns: \describe{ \item{DCP}{ dynamic cone penetrometer readings (mm/blow) for a certain type of pavement. } } } \source{ Devore, J. L. (2003) \emph{Probability and Statistics for Engineering and the Sciences (6th ed)}, Duxbury (1999), Probabilistic model for the analysis of dynamic cone penetrometer test values in pavement structure evaluation, \emph{J. Testing and Evaluation}, 7-14. } \examples{ data(xmp08.08) boxplot(xmp08.08, main = "DCP readings") attach(xmp08.08) hist(DCP, breaks = 8, prob = TRUE) rug(DCP) lines(density(DCP), col = "blue") t.test(DCP, alt = "less", mu = 30) } \keyword{datasets}