What is a P-Value?
Introduction A p-value is one of the most misunderstood concepts in statistics… The Simple Explanation If we assume the null hypothesis is true, the p-value tells us how likely we are to see results at least as extreme as ours. Example Suppose we test whether a coin is fair. We flip it 100 times and get 60 heads. Our p-value answers: “If the coin were truly fair, how likely is it to get 60 or more heads just by chance?” ...