👉 The term "goodness of a statistic" is often used in statistics to describe how well a particular statistical test or measure of significance performs. It refers to whether the observed data supports or rejects the null hypothesis, based on the assumption that the true population parameter is known. Goodness-of-fit tests are commonly used to assess whether two populations have similar distributions and compare them to determine if one has a better fit than the other. For example, in a goodness-of-fit test, you might examine a