

   DDDDTT iinn KKaallee

   SSUUMMMMAARRYY::

        A numeric vector of 15 measurements by different labo-
        ratories of the pesticide DDT in kale, in ppm (parts
        per million) using the multiple pesticide residue mea-
        surement.

   SSOOUURRCCEE::

        C. E. Finsterwalder (1976) Collaborative study of an
        extension of the Mills et al method for the determina-
        tion of pesticide residues in food.  J. Off. Anal.
        Chem.  59, 169-171

        R. G. Staudte and S. J. Sheather (1990) Robust Estima-
        tion and Testing.  Wiley

