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.
AP Statistics Tutorial: Bias in Survey Sampling In survey sampling, bias refers to the tendency of a sample statistic to systematically over-or under-estimate a population parameter. Bias Due to Unrepresentative Samples A good sample is representative.