Articles sur Statistics

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Nurses and other health care workers in New York mourned colleagues who have died during the outbreak of the novel coronavirus. Johannes Eisele/AFP/Getty Images

Coronavirus deaths in San Francisco vs. New York: What causes such big differences in cities’ tolls?

Why one city suffers significantly more deaths than another isn't always obvious. A simple experiment shows how failing to consider certain factors can point policy makers in the wrong direction.
UK opposition leader, Keir Starmer, with a government graph showing an international comparison of COVID-19 death tolls. UK Parliament/Jessica Taylor/PA Wire/PA Images

Coronavirus: public confused and suspicious over government’s death toll information

Most people believe the government was wrong to stop publishing international comparisons of COVID-19 death tolls.
A statistics professor used his expertise in calculating probabilities to come up with a 98 winning percentage for Tim Hortons popular Roll up the Rim contest. (Photo Illustration/The Conversation)

Here’s how I cracked Roll up the Rim and won (almost) every time

Tim Hortons changed Roll up the Rim to include a digital element. A statistician correctly predicted that playing on the last day of the contest would dramatically increase the odds of winning.
When leaders make public health decisions, such as how long social distancing should be maintained to reduce the coronavirus death toll, they often use mathematical models. The numbers aren’t always as simple as they seem. Alex Brandon/AP

Why coronavirus death rates can’t be summed up in one simple number

A lot of numbers are being tossed around about COVID-19 and what to expect in the future. They're being used to make critical public health decisions, but they aren't as simple as they appear.
By adding a ‘digital roll’ to its iconic game, Tim Hortons’ Roll up the Rim contest now has some statistical similarities to slot machines. (Photo Illustration/The Conversation)

Roll up the Rim: How COVID-19 has changed the contest — and maybe your odds of winning

The Tim Hortons coffee chain has made some changes to its iconic Roll up the Rim contest, including the addition of "digital rolls." A statistician explains how this changes the odds of winning.
A big discrepancy exists between the actual threat of mass shootings and the way the public perceives that threat. Tatiana Akhmetgalieva/Shutterstock.com

Have we become too paranoid about mass shootings?

You're just as likely to be a victim of a mass shooting as you are to be struck by lightning. So why do nearly 50% of Americans say they're afraid of being caught in the crossfire?

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