Exam 18: Advanced Topics in Linear Analytics

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The symbol for the Pearson product-moment correlation coefficient is r.

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The square of the correlation coefficient is called the ____________________.

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An overall estimate of variance overlap among independent variables is the ____________________.

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The coefficient of determination reflects the proportion of variance that can be explained by the regression line.

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A correlation matrix is a standardized covariance matrix.

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The portion of dependent variable variance left over after the predictor variables are included in a model intended to represent Y is ____.

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In a correlation matrix,the correlations in the main diagonal are all equal to ____.

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The Pearson product-moment correlation coefficient ranges between ____________________ and ____________________.

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Underspecification leads to a pattern in ____________________.

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A correlation coefficient equal to +1.0 indicates a perfect positive relationship.

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Explain what an acceptable R² value is.

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Measure of association is a general term that refers to causality.

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If the correlation between X and Y is -.72,approximately what percentage of the variance in Y can be explained by X?

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When the correlation between two variables is +.92,this means that as one variable ____,the other variable ____.

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Discuss the steps in regression analysis when a researcher's goal is to explain.

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