Create the data set NYSE. NYSE contains one observation for each of five workdays. Each observation includes the date, closing price, and volume.

data nyse;
   format Day date7.;
   format High Low Close comma12.;
   format Volume comma12.;
   input Day date7. High Low Close Volume;

datalines;
01AUG07 10478.76 10346.24 10426.91 1908809
02AUG07 11042.92 10298.44 10274.65 1807543
05AUG07 10498.22 10400.31 10456.43 1500656
06AUG07 10694.47 10636.32 10762.98 1498403
07AUG07 10801.12 10695.13 10759.48 1695602
run;