These values can be calculated evaluating the quantile function (also known as "inverse CDF" or "ICDF") of the chi-squared distribution; e. g., the ICDF for and yields as in the table above, noticing that is the p-value from the table.
These values can be calculated evaluating the quantile function (also known as "inverse CDF" or "ICDF") of the chi-squared distribution; e. g the ICDF for and yields as in the table above, noticing that is the p-value from the table.