\name{ex13.69} \alias{ex13.69} \title{data from exercise 13.69} \description{ The \code{ex13.69} data frame has 8 rows and 2 columns. } \format{ This data frame contains the following columns: \describe{ \item{power}{ a numeric vector } \item{freq}{ a numeric vector } } } \details{ } \source{ Devore, J. L. (2000) \emph{Probability and Statistics for Engineering and the Sciences (5th ed)}, Duxbury } \examples{ data(ex13.69) } \keyword{datasets}