Understanding Statistical Intervals: Part 3 - Tolerance Intervals
We saw in Part 1 of this series how a confidence interval can be calculated to define a range within which the true value of a statistical parameter such as a mean or standard deviation is likely to...
Understanding Statistical Intervals: Part 2 - Prediction Intervals
Part 1 of this series discussed confidence intervals. Confidence intervals are the best known of the statistical intervals but they only bound regions associated with population parameters; i.e., the...
Quality & Compliance
Understanding Statistical Intervals Part 1 - Confidence Intervals
Statistical intervals are staples of the quality and validation practitioner’s statistical tool box. Statistical intervals can manifest as plus-or-minus limits on test data, represent a margin of...