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#1 |
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chi-square
Iīm supposed to solve a chi-square problem:
P{(X^2)26} <= 30 This is a chi square random variable with 26 degrees of freedom. The answer is 0.7325 How do you solve this? I tried to use the chi-square table but I dont get it.. Last edited by mandarine; 11-05-2009 at 06:36 AM. |
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#2 | |
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Little Master
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this link may help
http://www.fourmilab.ch/rpkp/experim...s/chiCalc.html or use CHDIST function in excel. =1-CHIDIST(30,26)
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#3 |
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Thanks but I need to be able to do this without excel or matlab.
I do have TI98 calculator and a chi-table. Can you show me either way? |
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#4 |
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#5 |
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Just because...I havent asked why
Itīs just my teachers rules.Can you help? |
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#6 | |
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Little Master
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If your Calculator support integration then you can do it.
Integrate pdf 0 to 30 , pdf is here k =26, gamma(k/2) = 12!
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#7 |
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is there no other way? Canīt I use some chi square table or some?
I really donīt understand any of this ![]() |
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