Brian Beers is a digital editor, writer, Emmy-nominated producer, and content expert with 15+ years of experience writing about corporate finance & accounting, fundamental analysis, and investing.

A small p-value often means the observed data effect is statistically significant. Set a significance level to compare with the p-value to validate investment hypotheses. Utilizing p-values in Excel ...

Science is all about interrogating and disproving theories. Scientists in most quantitative fields will conduct p value testing as a method of statistical investigation. A low p value is an indicator ...

How many statisticians does it take to ensure at least a 50 percent chance of a disagreement about p-values? According to a tongue-in-cheek assessment by statistician George Cobb of Mount Holyoke ...

When evaluating a company, investors mostly look at a stock’s price-to-earnings (P/E) or price-to-sales (P/S) ratio. While P/E is the ratio of annual earnings to stock price, P/S reflects the amount ...

The pursuit of science is designed to search for significance in a maze of data. At least, that’s how it’s supposed to work. To support or refute a hypothesis, the goal is to establish statistical ...