Various statistical forecasting methods exist designed for use with slow-moving products, new product introductions, stable mature products and products with erratic demand. Determining which ...

Peter Westfall is a distinguished professor of information systems and quantitative sciences at Texas Tech University. He specializes in using statistics in investing, technical analysis, and trading.

Statistical models predict stock trends using historical data and mathematical equations. Common statistical models include regression, time series, and risk assessment tools. Effective use depends on ...

Non-parametric tests are used when standard assumptions are not available. These tests don’t rely on distributions, often ...

New research sheds light on the types of statistical and narrative evidence that are most effective at persuading people to pay attention to global issues. New research from Cornell University sheds ...