Equivalence and interval tests for Lehmann's alternative that extend the well-known Savage test for one-sided hypotheses are proposed. The proposed tests are shown to be unbiased with a strictly ...

Sandra Quiroz dreams of becoming a U.S. citizen, but an immigration-court judge told her she would first need to earn a high-school equivalence certificate. “I’m not good with math and algebra,” the ...

Hypothesis of no difference are null hypotheses for studies to show that populations differ. To show that populations are essentially the same, the appropriate null is that substantial differences do ...