AP STAT Chapter 1 Outline
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Statistics [1]
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Melanie Hill Period: 7, Mr. Best August 31st, 2012 AP Stat Summer Work Chapter 1: Case Study Data Analysis: Making Sense of Data Statistics is the science of data Data Analysis: Organizing, displaying, summarizing, and asking questions. Individuals and Variables Individuals: the objects described by a set of data Variable: Any characteristic of an individual Categorical Variable: places an individual into one of several groups or categories Quantitative Variable: Takes numerical values for which it makes sense to find an average. Not every that takes numerical value is quantitative: Zip Code Distribution: tells us what values the variables takes and how often it takes these values How to Explore Data Exam each variable by itself, then study the relationship between each