R/ds9.R

In ngay/kustats: Data sets and functions for statistics classes at Keiser University

#' Data Set 9: Passive and Active Smoke
#' 
#' All values are measured levels of serum cotinine (in ng/mL), a metabolite
#' of nicotine.  (When nicotine is asborbed by the body, cotinine is
#' produced.) Data are from the U.S. Department of Health and Human Services,
#' National Center for Health Statistics, Third National Health and
#' Nutrition Examination Survey.
#' \itemize{
#' \item SMKR (smokers, or subjects reported tobacco use)
#' \item ETS (nonsmokers exposed to environmental tobacco smoke at
#' home or work) 
#' \item NOETS (nonsmokers with no exposure to environmental tobacco
#' smoke at home or work)
#' }
#' 
#' @format A data frame with 40 rows and 3 variables
#' @source Triola, M. 2014. Elementary Statistics, 12th ed. Boston, MA: Pearson.
#' @name ds9
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