A type I error is an error in hypothesis testing that occurs when a true null hypothesis is rejected.
Type I Error
See also
Null Hypothesis, Sensitivity, Specificity, Statistical Test, Type II ErrorExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Type I Error." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/TypeIError.html