* Bones Example -- bones.sas source code;
* A z-test could be used because n > 30, * however, 
* statistical software does not perform z-tests.

* Create bones dataset;
data bones;
   infile 'c:/datasets/bones.txt' firstobs=2;
   input ratio;

* Perform one-sample t-test;
proc ttest H0=8.5;
   var ratio;

run;