

_E_f_f_e_c_t_i_v_e_n_e_s_s _o_f _I_n_s_e_c_t _S_p_r_a_y_s

     data(insects)

_F_o_r_m_a_t:

     A data frame with 72 observations on 2 variables.

      [,1]      count      numeric      Insect Count
      [,2]      spray      factor       The type of spray

_D_e_s_c_r_i_p_t_i_o_n:

     The counts of insects in agricultural experimental
     units treated with different insecticides.

_S_o_u_r_c_e:

     Geoffrey Beall, (1942).  "The Transformation of Data
     from Entomological Field Experiments", Biometrika,
     pages 243-262.

_R_e_f_e_r_e_n_c_e_s:

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

