P-Values, Explained With Coins, Chocolate, and a Little Doubt
Ever seen a headline like “Study Finds Chocolate Makes You Happier” and thought, finally, science gets something right? Congratulations, you already care about p-values. You just did not know that was the thing you were reacting to. Here is a smaller, less delicious version of the same question. You flip a coin ten times. Eight land on heads. Your friend says, immediately, “That coin must be weighted.” Another friend just shrugs. “Weird things happen sometimes.” So who is right? ...