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.
This leads to bias. For example, suppose the study population includes multiple racial groups but members of one race participate less frequently in the type of study. A bias results. 2. Information bias (misclassification bias): Systematic error due to inaccurate measurement or classification of disease, exposure or other variables.