

   TThhee NNuummbbeerr ooff BBrreeaakkss iinn YYaarrnn dduurriinngg WWeeaavviinngg

        data(warpbreaks)

   FFoorrmmaatt::

        A data frame with 54 observations on 3 variables.

         [,1]      breaks       numeric      The number of breaks
         [,2]      wool         factor       The type of wool (A or B)
         [,3]      tension      factor       The level of tension (L, M, H)

   DDeessccrriippttiioonn::

        This data set gives the number of warp breaks per loom,
        where a loom corresponds to a fixed length of yarn.

   SSoouurrccee::

        L. H. C. Tippet (1950).  Technological Applications of
        Statistics, Wiley, page 106.

   RReeffeerreenncceess::

        Tukey, J. W. (1977).  Exploratory Data Analysis.  Addi-
        son-Wesley.  McNeil, D. (1977).  Interactive Data Anal-
        ysis.  Wiley.

