OPTIONS LS=72;

DATA;
INPUT NICO CO;
CARDS;
0.2 2
0.4 10
0.6 13
0.8 15
1.0 20
;
PROC PRINT;


PROC CORR;
   VAR NICO CO;

TITLE1'NINETY PERCENT CONFIDENCE INTERVALS';
PROC GLM;
   MODEL CO=NICO/ P CLI ALPHA=0.100;
PROC GLM;
   MODEL CO=NICO /P CLM ALPHA=0.100;