Combined p-Values

The test statistic is:

$X^2=-2\sum _{i=1}^k\log p_i$

where:

$p_i$ is the p-Value of the $i$th of $k$ tests, and

$p=\mathrm{Pr}({\chi }_{2k}^2\ge X^2)$

See also

• Reading Tables and Interpreting Significance Tests
• Overview of Statistical Testing in Q