Table1z =-2.1070p = 0.0351table 2 Z=-2.5547 P=0.0 106 Your data is not suitable for chi-square test, but for nonparametric test. The above results are calculated by nonparametric test.

The following is the SAS program. Data TM; Do a= 1 to 2; Do b= 1 to 3; Input f @ @ output; End; End; Data line; 26 1 1 2 15 18 。