In a test of equivalence, a treatment mean and a reference mean are compared to each other. Equivalence is taken to be the alternative hypothesis, and the null hypothesis is nonequivalence. The model ...

On August 23, 2022, the IRS issued Notice 2022-37 (reproduced here), which once again extends the phase-in of withholding under Section 871(m). Broadly speaking, foreign persons may be subject to a 30 ...

The country’s top medical regulator has bluntly told over 900 Pakistani students who obtained medical degrees from Cuban universities that they must pass a local equivalence test before they can ...

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 ...

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 ...