In statistics, a representative sample should be an accurate cross-section of the population being sampled. Although the features of the larger sample cannot always be determined with precision ...

Researchers use the simple random sample methodology to choose a subset of individuals from a larger population. While easier to implement than other methods, it can be costly and time-consuming.

Although this particular subset of suppressive myeloid cells was new, it was distinguished by a prominent signaling receptor that Amit and his group had seen before, called TREM2.

One subset of conservatives expressed the greatest tendency to promote false news stories. ... For example, during the 2016 ... While our research doesn’t provide all the answers, ...

Example 49.2: Best Subset Selection An alternative to stepwise selection of variables is best subset selection. The procedure uses the branch and bound algorithm of Furnival and Wilson (1974) to find ...

Cornell University researchers are using a subset of artificial intelligence to predict threats to solar-energy production.

About This Quiz. The data for the quiz and maps shown here come from over 350,000 survey responses collected from August to October 2013 by Josh Katz, a graphics editor for the New York Times who ...