------------------ help for tdemo ------------------
Compare t-distribution to normal distribution ---------------------------------------------
tdemo [ df tails alpha ]
Description -----------
tdemo displays a t-distribution distribution and standard normal for degrees of freedom df.
Options -------
df sets the degrees of freedom. The default is 1. tails sets the number of tails for the rejection region. The default is 2. alpha seta the alpha level. The default is .05.
Examples --------
. tdemo . tdemo 20 . tdemo 20 1 . tdemo 20 1 .01
Author ------
Philip B. Ender (enderatucla.edu) UCLA Department of Education UCLA Academic Technology Services