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The modified Thompson Tau test is used to find one outlier at a time (largest value of δ is removed if it is an outlier). Meaning, if a data point is found to be an outlier, it is removed from the data set and the test is applied again with a new average and rejection region. This process is continued until no outliers remain in a data set.
A memorable outlier was the Washington Post/ABC News late-campaign poll in Wisconsin in 2020, which reported Joe Biden was 17 points ahead in the state. Biden carried Wisconsin by less than 1 point.
What a big miss for The Des Moines Register/Mediacom Iowa Poll.It followed an unprecedented worldwide fascination with an outlier poll showing Kamala Harris leading Donald Trump by 3 percentage ...
Trafalgar was an outlier in polling in the 2018 Georgia gubernatorial election, with its final poll showing Brian Kemp leading by 12 points, a race he ultimately won by less than two points; every other poll showed a one or two point difference in the race. [14]
According to 538's analysis of polls conducted in competitive states* in which over 95 percent of the expected vote was counted as of Nov. 8 at 6 a.m. Eastern, the average poll conducted over the ...
An opinion poll, often simply referred to as a survey or a poll (although strictly a poll is an actual election), is a human research survey of public opinion from a particular sample. Opinion polls are usually designed to represent the opinions of a population by conducting a series of questions and then extrapolating generalities in ratio or ...
The outlier poll sponsored by the Des Moines Register had raised eyebrows when it was published in early November because it showed Vice President Kamala Harris leading now-President-elect Donald ...
Exit polls are also used to collect demographic data about voters and to find out why they voted as they did. Since actual votes are cast anonymously, polling is the only way of collecting this information. Exit polls have historically and throughout the world been used as a check against, and rough indicator of, the degree of election fraud.