Critical Values Calculator

This simple calculator allows you to calculate critical values for the z, t, chi-square, f and r distributions.


Critical Value for T

Select your significance level (1-tailed), input your degrees of freedom, and then hit "Calculate for T".

Significance Level:
Degrees of Freedom:   

No calculation peformed yet.




Critical Value for Z

Select your significance level (1-tailed), and then hit "Calculate for Z".

Significance Level:

No calculation peformed yet.




Critical Value for Chi-Square

Select your significance level, input your degrees of freedom, and then hit "Calculate for Chi-Square".

Significance Level:
Degrees of Freedom:   

No calculation peformed yet.




Critical Value for F

Select your significance level (1-tailed), input your degrees of freedom for both numerator and denominator, and then hit "Calculate for F".

Significance Level:
Degrees of Freedom (Numerator):   
Degrees of Freedom (Denominator):   

No calculation peformed yet.




Critical Value for R

Select your significance level (1-tailed), input your degrees of freedom (n - 2), and hit "Calculate for R".

Significance Level:
Degrees of Freedom:   

No calculation peformed yet.

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