Variable Data {Ans: Data that shows how well a result meets a requirement, often shown on a scale or as a rating.}Nominal Data {Ans: Called "Categorical Data" or "Qualitative Data", data type is used to label subjects by order of name. Breaks results into categories, like days of the week, or states of the United States of America.}Mean {Ans: Average. Add all numbers and divide.}Complement {Ans: The occurrence of an event not happening, the opposite.}Simple Composite Index {Ans: Created when a researcher gathers data from many different sources without weighting any data more than the other.}Check Sheet {Ans: Collect data in real time.}