\name{ex12.55} \alias{ex12.55} \docType{data} \title{data from exercise 12.55} \description{ The \code{ex12.55} data frame has 12 rows and 2 columns. } \format{ This data frame contains the following columns: \describe{ \item{age}{ a numeric vector } \item{damaged}{ a numeric vector } } } \details{ } \source{ Devore, J. L. (2003) \emph{Probability and Statistics for Engineering and the Sciences (6th ed)}, Duxbury } \examples{ data(ex12.55) } \keyword{datasets}