Specifications of many product attributes (prices, review scores, fuel efficiency, calories, computer processor speed, etc.) are numerical. When comparing alternatives, consumers often need to judge ...

The focus is then narrowed to the comparison of social indicators observed for two units in a time perspective. Three simple and popular measures of dynamics—most frequently used when social change is ...

In investing, absolute errors are expressed in dollars. For example, at the beginning of 2015, Amazon.com stock was trading for about $313 per share.