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.
In statistical theory, a U-statistic is a class of statistics that is especially important in estimation theory; the letter U stands for unbiased. In elementary statistics, U-statistics arise naturally in producing minimum-variance unbiased estimators.