

   CChhiicckkeenn WWeeiigghhttss bbyy FFeeeedd TTyyppee

        data(chickwts)

   FFoorrmmaatt::

        A data frame with 71 observations on 2 variables.

         [1,]      weight      numeric      Chick weight
         [2,]      feed        factor       Feed type

   DDeessccrriippttiioonn::

        An experiment was conducted to measure and compare the
        effectiveness of various feed supplements on the growth
        rate of chickens.  Newly hatched chicks were randomly
        allocated into six groups, and each group was given a
        different feed supplement.  Their weights in grams
        after six weeks are given along with feed types.

   SSoouurrccee::

        Anonymous (1948).  Biometrika, p.214.

   RReeffeerreenncceess::

        McNeil, D. R. (1977).  Interactive Data Analysis.  New
        York: Wiley.

