* nail varnish experiment;  * chapter 6;
options linesize=75;
data NAIL;
 input ORDER SOLUTN VARNISH TIME;
 lines;
 1   2 3 32.50
 2   1 3 30.20
 3   1 3 27.25
 4   2 3 24.25
 5   2 2 34.42
 6   2 2 26.00
 7   1 2 22.50
 8   2 2 31.08
 9   1 2 25.17
 10  2 1 29.17
 11  1 1 27.58
 12  1 1 28.75
 13  2 1 31.75
 14  1 3 29.75
 15  2 3 30.75
 16  2 2 29.17
 17  1 2 27.75
 18  1 1 25.83
 19  2 2 24.75
 20  1 2 21.50
 21  2 1 32.08
 22  2 3 29.50
 23  1 3 24.50
 24  2 1 28.50
 25  2 3 28.75
 26  1 3 22.75
 27  1 1 29.25
 28  2 1 31.25
 29  1 1 22.08
 30  1 2 25.00
;