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 ...

The US Court of Appeals for the Federal Circuit affirmed a rare grant of preliminary injunction based on one of three patents in suit, but reversed the injunction as to the other two patents based on ...

Image of the Galactic Centre. Credit: European Southern Observatory (ESO). The GRAVITY Collaboration, a team of researchers at several renowned institutes including the Max Planck Institute, LESIA ...

In the late 1500s, the Italian scientist Galileo Galilei conceived of an experiment that changed a foundation of physics. He mulled — and by some accounts actually tested — what would happen if two ...

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 ...

Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...

Physicists in Germany have used an atomic interferometer to perform the most accurate ever test of the equivalence principle at the level of atoms. Sebastian Fray and colleagues at the Max Planck ...