Measurement and Statistics


Editor's Pick

Driven by Metrics

by Okes, Duke

Performance metrics are a necessary part of managing an organization. However, they have good and bad impacts on individual behavior, so organizations need to find ways to maximize the good while minimizing the potential damage....


Measure for Measure: Estimating Uncertainty

by Shah, Dilip

Estimating measurement uncertainty for calibration laboratories can still be a significant effort to support metrological traceability. For certain test and calibration disciplines, the documented unbroken chain may not be directly traceable to SI units....


Statistics Roundtable: The Significance of Power

by Seaman, Christopher A.; Seaman, Julia E.; Allen, I. Elaine

The concept of “power” has long been overshadowed in statistical circles by its big brother, “significance.” Both parameters, chosen before a test, dictate the sample size and likelihood of making an erroneous conclusion when comparing two groups....


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