options ls=78;

data hwk4;

infile 'hwk4.txt';

input sn ecolor $ creat athl stress hap;

sqcreat=sqrt(creat);

lgcreat=log(creat);

nrcreat=-1/(creat);

sqathl=sqrt(athl);

lgathl=log(athl);

athl2=athl**2;

athl3=athl**3;

athl4=athl**4;

sqstress=sqrt(stress);

lgstress=log(stress);

sqhap=sqrt(hap);

hap2=hap**2;

lghap=log(hap);

run;

proc print data=hwk4;

run;

proc univariate data=hwk4 plot normal;

var creat lgcreat athl stress sqstress hap sqhap;

title 'name, univariate normalizing';

run;

proc chart data=hwk4;

vbar creat lgcreat athl stress sqstress hap sqhap/ levels=15;

title 'name, histograms of data';

run;

proc means data=hwk4 n mean std clm alpha=.05;

var lgcreat athl sqstress sqhap;

title 'name, looking at means and confid limits overall';

run;

proc means data=hwk4 n mean std clm alpha=.1;

var lgcreat athl sqstress sqhap;

title 'name, looking at means and confid limits overall';

run;

proc means data=hwk4 n mean std clm alpha=.036;

var lgcreat athl sqstress sqhap;

title 'name, looking at means and confid limits overall';

run;

proc sort data=hwk4;

by ecolor;

run;

proc univariate data=hwk4 plot normal;

by ecolor;

var creat lgcreat athl stress sqstress hap sqhap;

title 'name, univariate normalizing';

run;

proc chart data=hwk4;

by ecolor;

vbar creat lgcreat / levels=11;

title 'name, histograms of data';

run;

proc chart data=hwk4;

by ecolor;

vbar athl / levels=12;

title 'name, histograms of data';

run;

proc chart data=hwk4;

by ecolor;

vbar stress sqstress / levels=13;

title 'name, histograms of data';

run;

proc chart data=hwk4;

by ecolor;

vbar hap sqhap / levels=10;

title 'name, histograms of data';

run;

proc means data=hwk4 n mean std clm alpha=.05;

by ecolor;

var lgcreat athl sqstress sqhap;

title 'name, looking at means and confid limits overall';

run;

proc means data=hwk4 n mean std clm alpha=.1;

by ecolor;

var lgcreat athl sqstress sqhap;

title 'name, looking at means and confid limits overall';

run;

proc means data=hwk4 n mean std clm alpha=.036;

by ecolor;

var lgcreat athl sqstress sqhap;

title 'name, looking at means and confid limits overall';

run;

quit;