Stratified random sampling is a method of sampling that divides a population into smaller groups that form the basis of test samples.

Melissa Horton is a financial literacy professional. She has 10+ years of experience in the financial services and planning industry. Robert Kelly is managing director of XTS Energy LLC, and has more ...

A new complexity-based sampling optimization method is set to improve the accuracy and reliability of remote sensing ...

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 Alexander, ...