Learn what analysis of variance (ANOVA) is, how it works, and when to use it. See how it helps compare means across multiple data groups in statistics and research.

Read on to learn more about what a t-test is, the different formulas used, and when to apply each type to compare means and ...

Although analysis of variance (ANOVA) is widely used by ecologists, the full potential of ANOVA as a descriptive tool has not been realized in most ecological studies. As questions addressed by ...

The table above is from the new study in Science Magazine “Gender Similarities Characterize Math Performance” (abstract free, $10 for full study) recently discussed here on CD, in the WSJ, and on ...

The NBA trade deadline? An exceedingly distant memory. Your fantasy league trade deadline? Maybe it already happened. Maybe it's about to happen. In some leagues, it won't happen (I hate those leagues ...

John Cregan is a fantasy basketball analyst for ESPN.com. The NBA trade deadline? An exceedingly distant memory. Your fantasy league trade deadline? Maybe it already happened. Maybe it's about to ...