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Submission + - Statistical error labels 4700 K-3rd students ineligible for 'Gifted' programs (nytimes.com)

alostpacket writes: The New York times reports that statistical scoring by the standardized testing company Pearson incorrectly disqualified over 4700 students from a chance to enter gifted / advanced programs in New York City schools. Only students who score in the 90th percentile or above are eligible for these programs. Those in the 97th or above are eligible for 5 of the best programs. "According to Pearson, three mistakes were made. Students’ ages, which are used to calculate their percentile ranking against students of similar age, were recorded in years and months, but should also have counted days to be precise. Incorrect scoring tables were used. And the formula used to combine the two test parts into one percentile ranking contained an error." No mention of enlisting the help of the gifted children was made in the Times article, but it also contained a now-corrected error. This submission likely also contains an erro
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Statistical error labels 4700 K-3rd students ineligible for 'Gifted' programs

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