# Chi-square distribution (percentile) Calculator

## Calculates the percentile from the lower or upper cumulative distribution function of the chi-square distribution.

 cumulative mode lower Pupper Q cumulative distribution 0≦P,Q≦1 degree of freedom ν ν＞0 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit
 $\normal Chi-Squared\ distribution\ X^2(x,\nu)\\[10](1)\qquad probability\ density\\\hspace{30}f(x,\nu)={\large\frac{x^{\frac{\nu}{2}-1}e^{-\frac{\small x}{2}}}{2^{\frac{\nu}{2}}\Gamma(\frac{\nu}{2})}}\\(2)\qquad lower\ cumulative\ distribution\\\hspace{30}P(x,\nu)={\large\int_{\small 0}^{\hspace{25}\small x}}f(t,\nu)dt\\(3)\qquad upper\ cumulative\ distribution\\\hspace{30}Q(x,\nu)={\large\int_{\small x}^{\hspace{25}\small\infty}}f(t,\nu)dt\\$

Chi-square distribution (percentile)
 [1-5] /5 Disp-Num5103050100200
[1]  2018/10/23 21:05   Male / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
I am research this Chi square distribution this is helpful to acquire knowledge and I became a PhD student in statistics at future
[2]  2017/12/24 03:15   Male / 50 years old level / A teacher / A researcher / Very /
Purpose of use
Comment/Request
This is simply a marvelous tool. Great job!
[3]  2014/08/29 19:52   Male / 20 years old level / High-school/ University/ Grad student / Very /
Purpose of use
Computing critical value for a goodness of fit chi squared test.
[4]  2012/02/28 11:33   Female / 30 years old level / A teacher / A researcher / Very /
Purpose of use
generates lower and upper percentile of a chi-square which some are not all found in a chi-square table
Comment/Request
thnaks.
[5]  2009/02/24 16:37   Male / 20 level / A university student / Very /
Purpose of use
this is excellant
Comment/Request
excellent

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