statistical difference
Type: concept Aliases: statistical significance statistically significant statistically different
Systems Analogy
An automated error-log filter that separates meaningful server latency spikes from normal baseline background noise.
A mathematical determination that a measured difference between experimental groups is unlikely to have occurred by random chance, typically denoted by a p-value < 0.05.
Scientific Sources & Verbatim Definitions
- Empirical StudyWasserstein RL, Lazar NA. The ASA Statement on p-Values and Statistical Significance. Am Stat. 2016;70(2):129-133. ↗
"A p-value is the probability under a specified statistical model that a statistical summary of the data would be equal to or more extreme than its observed value."