why is the global null omnibus which test is an omnibus test which is omnibus test? why is the likelihood ratio test an omnibus test which test is considered omnibus is the global null considered an omnibus test where is the probability ratio test for the global null considered to be an omnibus test? is the global null considered to be a probability test? is global null considered omnibus is global null omnibus test when a global null test is considered omnibus testing what kind of test is is the likelihood ratio test for the global null considered an omnibus is global null considered omnibus is global null an omnibus test? what is the omnibus test for a global null what is meant by omnibus test what is global null is global null an omnibus test is global null omnibus test is likelihood ratio test considered omnibus test