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\name{ex14.31}\alias{ex14.31}\docType{data}\title{data from exercise 14.31}\description{The \code{ex14.31} data frame has 12 rows and 3 columns.}\format{This data frame contains the following columns:\describe{\item{count}{a numeric vector}\item{Size}{a factor with levels\code{Compact}\code{Fullsize}\code{Midsize}\code{Subcompact}}\item{dist}{a factor with levels\code{0-<10}\code{10-<20}\code{>=20}}}}\details{}\source{Devore, J. L. (2003) \emph{Probability and Statistics for Engineering and the Sciences (6th ed)}, Duxbury}\examples{data(ex14.31)}\keyword{datasets}