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The Practice of Statistics
Chapter 3 - Examining Relationships
8
Mathematics
12th Grade
10/17/2011

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Term
Response Variable
Definition
measures an outcome of a study (dependent variable)
Term
Explanatory Variable
Definition
attempts to explain the observed outcomes (independent variable)
Term
Scatterplot
Definition
shows the relationship between two quantitative variables measured on the same individuals
Term
Overall Patterns
Definition
described by the Form, Direction, and Strength of the relationship.
Term
Deviations
Definition
look for Outliers, an individual value that falls outside the overall pattern of the relationship
Term
Positive Association
Definition
when above-average values of one varialbe tend to accompany above-average values of another variable and vice versa
Term
Negative Association
Definition
when above-average values of one variable tend to accompany below-average values of another and vice versa
Term
Form
Definition
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