New engine regulations often create big performance gaps, but FIA single seater director Nikolas Tombazis thinks disparity ...

As determinate sentencing and existing mandatory minimums have taken hold over the last generation,” says Georgetown Law ...

F1's 2026 season brings plenty of new elements to the table. To ensure no viewers are left in the dark by the season's ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Portfolio variance is a measure of the dispersion of returns of a portfolio.

Volatility is troublesome for many investors. Value changes in your stocks, your portfolio, or an index can keep you up at night -- or worse, push you to make emotional decisions you later regret.

Stock's historical variance measures its return stability over time. Higher variance indicates greater return unpredictability and risk. Calculate variance using Excel to simplify the process for ...

Introduction: Polyploid hybrid progeny have both ploidy and hybridization effect, and abound in genetic variation of traits, which is an important material for the breeding of excellent new ...

1 Finnish Education Evaluation Center (FINEEC), Helsinki, Finland 2 Turku Research Institute for Learning Analytics (TRILA), University of Turku, Turku, Finland This ...