measurement articles

What distinguishes precision from accuracy?

The terms precision and accuracy are often used interchangeably in casual conversation, yet in scientific, engineering, ...

What causes statistical outliers?

Data points that sit far away from the main cluster of observations are often flagged as statistical outliers, but simpl...

What limits measurement precision?

The effort to measure something accurately is often met with barriers, some stemming from the tools we use, others from ...

How does uncertainty arise in experiments?

Every scientific measurement, no matter how carefully performed, carries with it an element of doubt, a quantification o...

How does variance measure spread?

Variance provides a precise mathematical answer to a fundamental question in data analysis: How *spread out* are the dat...