#statistical-volatility

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#mass-killings #crime-trends #regression-to-the-mean
US news
fromwww.theguardian.com
3 hours ago

California shooting marks 17th US mass killing this year a 20-year low

There were 17 mass killings in the US this year—the fewest since 2006—yet that decline may reflect regression to the mean rather than sustained improvement.
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