Lotto is a game of chance, but can strategy also come into play? We asked statisticians and looked at the data to find out how to win Powerball. Powerball is all luck—jackpot odds are 1 in 292 million ...

These are the essential settings tweaks, lesser-known features, and apps you'll love for workouts.

Evaluation of accuracy (trueness) in a normal environment includes the three errors of sensitivity, linearity, and eccentricity, and the acceptance criterion, 0.10%, according to the error propagation ...