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help for ^tdemo^
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Compare t-distribution to normal distribution
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 ^tdemo^ [ ^df tails alpha^ ]
 

Description
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^tdemo^ displays a t-distribution distribution and standard 
        normal for degrees of freedom ^df^.  

Options
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 ^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
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 . ^tdemo^
 . ^tdemo 20^
 . ^tdemo 20 1^
 . ^tdemo 20 1 .01^




Author
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      Philip B. Ender (ender@@ucla.edu)
      UCLA Department of Education
      UCLA Academic Technology Services