Selecting a random sample from a set is simple. But what about selecting a fair random sample from a set of unknown or ...

Effective and noninvasive whale and biodiversity monitoring is now possible with the help of citizen scientists, opening up ...

Survey size isn’t everything. Without clean sampling, your data-driven decisions could be headed in the wrong direction.

For over a decade, researchers have considered boson sampling—a quantum computing protocol involving light particles—as a key ...

A Tucson-based cancer biologist is helping lead the development of a new sampling method that can better detect the genetic diversity of tumors using an unlikely tool — a blender. Nelson ...

Sampling bias is the expectation, which is known in advance, that a sample won’t be representative of the true population—for instance, if the sample ends up having proportionally more women ...

For example, if the car dealership didn't actually own one of the 50 cars tested, the deviation rate would be 2 percent (1/50). Auditors should consider the nature of the deviations and make any ...

A special bag is all that is needed to sample the air exhaled by hospitalized children. Scientists have been able to use this new, non-invasive method to monitor young diabetes patients.

Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...