panel problem

[karen8169]

proc panel data=dairy;
id year farm;
model milk=cows land labor feed/noint ranone;
run;
proc panel data=dairy;
id year farm;
model milk=cows land labor feed/fixone;
run;

I want to know null hypothesis, alternative hypothesis, and what kind of test the program is used in the panel with and without random effect. Where can I  get the statistics in SAS?