For example, if a survey is taken to determine how many students are left-handed in a high school of 1,000 students, random sampling can determine that eight out of the 100 sampled are left-handed.

Ranked set sampling as suggested by McIntyre (1952, Journal of Agricultural Research 3, 385-390) and Takahasi and Wakimoto (1968, Annals of the Institute of Statistical Mathematics 20, 1-31) may be ...

To characterize the relation between an exposure and a continuous outcome, the sampling of subjects can be done much as it is in a case-control study, such that the sample is enriched with subjects ...

The new video shows what happened during the procedure, which occured on Feb. 21. First, the spacecraft eases itself down toward the asteroid's rocky surface.

Chorionic villus sampling (CVS) is a prenatal test used to detect birth defects, genetic diseases, and other problems during pregnancy. During the test, a small sample of cells (called chorionic ...

Additionally, under the provisions of the Pakistan Oil (Refining, Blending, Transportation, Storage and Marketing) Rules 2016, sampling and testing of petroleum products now falls in the domain of ...