Play A Deceptively Simple Statistics Game (The Atlantic)

scatter plotTo play the game Guess the Correlation, you must accurately assess the relationship between two unidentified things based on a scatter plot, which looks like a bunch of black dots on an x-y graph. “Your job is to eyeball the plots and estimate a number called R, which measures how correlated the two things are. In the game, R can range from 0 (no correlation at all) to 1 (a perfect positive correlation),” explains an Atlantic reporter who admits getting very addicted to the game.

Guess the Correlation was invented by a bioinformatic graduate student who plans to analyze the game’s data to see if there are similarities among the scatter plots that cause people to overestimate or underestimate correlations.  Read the article.

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