This example illustrates the use of regression analysis in a simple random cluster sampling design. The data are from S rndal, Swenson, and Wretman (1992, p. 652). A total of 284 Swedish ...

Mars Sample Return is stalled as costs rise while China’s Tianwen-3 targets a 2031 return. Learn why this matters for science ...

Indiana firefighters logged elevated levels of potentially hazardous PFAS chemicals in their blood serum, the state has found ...

In the quality world of contact centers, we used to live in the land of 2 percent. A handful of calls per agent per month, chosen at random, and we called it “QA.” It was closer to QA tourism than QA ...

That is largely because Oregon needs to greatly improve its eligibility accuracy rates to avoid a nearly half billion dollar ...

Elgin officials are again alerting residents after some drinking water samples exceeded allowable lead levels during a recent ...

UK Biobank analysis finds that higher plasma omega-3 levels are associated with a significantly reduced risk of developing atrial fibrillation.

A survey has shown that 77% of Ukrainians believe that Russia is advancing slowly on the battlefield and suffering heavy ...

Few Americans are satisfied with the amount of evidence released in the Jeffrey Epstein case, a CNN poll conducted by SSRS ...