Linear Regression Review

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What is Linear Regression?

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Linear Regression is a statistical method used to model the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.

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What does the line of best fit represent?

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The line of best fit represents the predicted values of the dependent variable based on the independent variable(s) in a linear regression analysis.

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What is the formula for a linear equation?

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What does a positive slope indicate in a linear regression?

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A positive slope indicates that as the independent variable increases, the dependent variable also increases.

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What does a negative slope indicate in a linear regression?

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A negative slope indicates that as the independent variable increases, the dependent variable decreases.

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What is correlation in the context of linear regression?

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How do you interpret a strong positive correlation?

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A strong positive correlation means that as one variable increases, the other variable tends to also increase significantly.