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 ...

When testing new treatments, drugmakers must show that their formulation bears out better results than a placebo in clinical trials. In fact, the new drug must outperform the placebo by a ...

The trailing-twelve-months (TTM) PEBV ratio for the S&P 500 did not change much from 6/30/23 to 8/15/23. This report is an abridged version of S&P 500 & Sectors: Price-to-Economic Book Value Ratio is ...

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 ...