Holy Hell’s Angels. Last month’s motorcycle rally among the deplorables in Sturgis, South Dakota, contributed to 266,796 Covid-19 cases and $12.2 billion in public-health costs—or so claims a new study widely flogged by the media. Here is another example of how flawed statistical models can generate grossly exaggerated projections. The annual 10-day rally with live performances, races and bike shows drew 460,000 Americans from around the country to the small town of Sturgis (population: 7,000). South Dakota is among the few...

Source: Wall Street Journal September 09, 2020 23:35 UTC