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HP17bII+ Programming t-distribution
07-24-2015, 07:34 PM (This post was last modified: 07-24-2015 07:45 PM by Thomas Klemm.)
Post: #6
Thomas Klemm Offline
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 		Posts: 1,999
Joined: Dec 2013
RE: HP17bII+ Programming t-distribution
Code:
T=IF(MOD(N:2)=0:
  FACT(N-1)÷2^(N-1)÷SQ(FACT(N÷2-1)):
  2^(N-1)×SQ(FACT((N-1)÷2))÷FACT(N-1)÷PI)
÷SQRT(N)
÷(1+SQ(X)÷N)^((N+1)÷2)

Examples:
PDF[StudentTDistribution[7],1.6]
N=7
X=1.6
⇒ T=0.1106654

PDF[StudentTDistribution[4],0.3]
N=4
X=0.3
⇒ T=0.3547096

Kind regards
Thomas
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RE: HP17bII+ Programming t-distribution - Thomas Klemm - 07-24-2015 07:34 PM



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