Sampling bias — Science definition
Any systematic difference between the sample and the whole, usually introduced by choosing where to sample while looking at the area.
Where it is taught
- Sampling Ecosystems & Comparing Evidence — Ecological Evidence & Environmental Design, Life Science & Scientific Inquiry, Grade 7
In use
That makes sampling a method with a built-in risk, and the risk has a name: sampling bias is any way the sample systematically differs from the thing it is meant to represent.
Sampling Ecosystems & Comparing Evidence