Statistics AP Chapter 1 Formulas
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Statistics [1]
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Statistics AP [10]
Formulas [11]
Statistics AP Formulas, Definitions, Summaries Part I Organizing Data: Looking for Patterns and Departures from Patterns Chapter 1 Exploring Data Section 1.1 Displaying Distributions with Graphs INDIVIDUALS AND VARIABLES Individuals are the objects described by a set of data. Individuals may be people, but they may also be animals or things. A variable is any characteristic of an individual. A variable can take different values for different individuals. CATEGORICAL AND QUANTITATIVE VARIABLES A categorical variable records which of several groups or categories an individual belongs to. A quantitative variable takes numerical values for which it makes sense to do arithmetic operations like adding and averaging.