data - factual information that has been gathered together, data set - a collection of information related to a topic, economist - a person who studies the set of principles by which a society decided and organizes the ownership, allocation, and use of resources, export - a good or service sold to another country, import - a good or service brought into one country from another, life expectancy - the average length of life in an area, literacy rate - the percentage of adults who can read and write,

Chapter 5 Comparing Data Sets

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