Making the world better, one answer at a time. the last eruption was in Iceland 2010.It also happened to cause airplane traffic and shut down multiple flights near western Europe, eastern north America, and north west Asia.
biased statistic. (statistics). A statistic whose expected value, as obtained from a random sampling, does not equal the parameter or quantity being estimated. 1  Facebook. 2  Twitter.
Now lets define selection bias. ï® âDistortions that result from procedures used to select. subjects and from factors that influence participation in. the study.â. ï® Porta M. A dictionary of epidemiology. Oxford, 2008. ï® âError introduced when the study population does not. represent the target populationâ.