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Re: Chi Square Areas


Hi,

what about

FindRoot[CDF[ChiSquareDistribution[8], x] - 0.95, {x, 1}]

?

Cheers
Patrick

On Sat, 2010-07-10 at 04:01 -0400, Steve wrote:
> Hi,
> 
> Can someone show me how to get Mathematica to provide the areas to the
> right of a given critical value of the Chi Square distribution ?
> 
> The table entries shown at http://www2.lv.psu.edu/jxm57/irp/chisquar.html
> are what I need to compute.
> 
> For example, given 8 degrees of freedom and a probability value of
> 0.05 the result would be 15.51.
> 
> And given 5 degrees of freedom with probability 0.1 the result is
> 9.24.
> 
> How can I produce these results in Mathematica ?
> 
> Thanks so much.
> 



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