12. Repeat the instructions of Problem 10 for the data given below. These data (Bullis and Alderton) were obtained by examining the alpha resin content of six different specimens of hops by taking colorimeter readings X and by direct determination of the concentration (Y, in mg per 100 ml).

Specimen # X Y 1 8 0.12 2 50 0.71 3 81 1.09 4 102 1.38 5 140 1.95 6 181 2.05