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This is done by calculating a "confidence interval," which, in the simplest case, can be found by repeating an experiment many times and seeing how the results vary.

In most science studies, a confidence interval usually refers to a summary or combined statistic, not individual data points.

With PPI, the team was able to correct for the bias in the confidence interval using a small number of human-labeled regions of deforestation.

While letting its topline numbers for the city and county stand without qualification, LAHSA’s report provided a confidence interval for the total count in its administrative area covering all of L.A.

But because the lower bound of the confidence interval around this figure fell below FDA’s required 20%, it didn’t meet the agency’s efficacy standard for preventing less severe disease.