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5 Cards in this Set
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Univariate Data
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One measurement on each unit.
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Bivaraite Data
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Data consisting on two measurements (two variables) on each unit in a study
1. Study relationship b/w two variables. 2. The two variables are the explanatory and response variables. Response denoted by Y and Explanatory is denoted by X. 3.Sometimes can't denote response or explanatory variables. 4. Variables can both be quantitative or categorical or one of each. |
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Note
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Our study of bivariate data will consist only of variables that are both quantitative or both categorical
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Analyzing bivariate data steps
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1. Plot data with a sactterplot
2. Computenumber summary called a correlation coefficient 3. Model linear relation with a straight line called the regression line |
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Note
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Explanatory variable also called Independent varivable
Respnse variable also called dependent vairable |
