Chi-square Calculator

Chi-square Distribution

Chi-Square distribution is used for a normally distributed population.

Let Z1, Z2,....Zn be independent standard random variables.
Let X= [Z12+ Z22+....+Zn2].
X distribute as Chi-square random variable with n degrees of freedom.


Enter input data and then press "Calculate" button to get the results

digits: example digits=2: 0.001234 => 0.0012
df: degrees of freedom
choose X or P(x≤X)
chi-squred Distribution

Message Messsage