Mind Matters Natural and Artificial Intelligence News and Analysis

TagWarren Buffett

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Jellybean Candy in a Jar

The Wisdom of Crowds: Are Crowds Really Wiser Than Individuals?

According to the theory, with a large number of guessers, the median number is very likely to be close to the true value

Statistician Sir Francis Galton went to a country fair in 1907 where a prize was to be awarded to the person who made the most accurate guess of the butchered weight of an ox that was on display. Galton collected and analyzed the 787 guesses and, not surprisingly, found that some guesses were far too high and others were much too low. However, the average guess (1,197 pounds) was only 1 pound lower than the actual weight (1,198 pounds). The average was more accurate than the guesses of the vast majority of both the amateurs and the experts. In the 1980s, a finance professor named Jack Treynor (1930–2016) performed a similar, and now legendary, experiment with jelly beans. Professor Treynor…

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Crypto currency background with various of shiny silver and golden physical cryptocurrencies symbol coins, Bitcoin, Ethereum, Litecoin, zcash, ripple

Has COVID-19 Helped or Harmed Crypto and Blockchain?

Cryptocurrencies rebounded after an initial slump earlier this year

The recently aired discussion at COSM about the future of bitcoin and other privately minted cryptocurrencies took place last October, before COVID-19 was much thought of in the Western world. Catching up, the cryptos and blockchain had a rough ride earlier this year but they have stabilized recently. In February, as the pandemic sent markets scurrying, things were looking grim for the cryptos: During the last week, the spread of the coronavirus has been all over the news; the virus, which had remained well-contained in China, spread throughout South Korea, Iran, Italy, and is now reaching its fingers into other parts of Europe. The New York Times reported on Thursday that “the signs were everywhere…that the epidemic shaking much of…