confidence interval
📖 ISTQB Glossary
Official ISTQB Definition
In managing project risks, the period of time within which a contingency action must be implemented in order to be effective in reducing the impact of the risk.
3 Ways to Think About It
The Quick Take
A range of values likely to contain the true measurement.
Look Closer
Statistical uncertainty bounds - 'we're 95% confident the answer is between X and Y'.
The Bottom Line
The margin of error around a measured value.
Practice this term with quizzes and arcade games
Study with Lexicon →