Glossary Terms Archive

Fits

Fitted values can also be known as fits. The fitted values represent point estimates of the average response for given predictor values. The values of predictors are also known as x-values. Keep on reading to learn about fit regression line and more. What is...

Failure Mode: Understand and Prevent System Failures

Failure mode represents the specific way in which a system, component, or process ceases to perform its intended function. Understanding these failure patterns enables organizations to implement proactive maintenance strategies, improve reliability, and prevent costly...

Failure Effect in FMEA: Definition, Levels, and Examples

A failure effect is the consequence of a failure mode, what actually happens as a result of something going wrong. It’s one of the three core building blocks of an FMEA (Failure Mode and Effects Analysis), alongside the failure mode itself (how it fails) and the...

What Is a Factor in Statistics? DOE, R, and Factor Analysis

A factor is a variable being studied to see how it affects a result. The exact meaning changes depending on where you see it. In a DOE (Design of Experiments) or ANOVA study, a factor is an input you deliberately test, like temperature or machine speed, to see how it...

F-Ratio ANOVA

The F-ratio ANOVA (Analysis of Variance) represents one of the most powerful statistical tools for comparing means across multiple groups simultaneously. This statistical test determines whether observed differences between group means are statistically significant or...