What is the method used to find the equation of the regression line called?
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Regression and correlation analysis procedures are used to study the relationships between variables. Regression is used to predict the value of one variable based on the value of a different variable. Correlation is a measure of the strength of a relationship between variables. The variables are data which are measured and/or counted in an experiment. In the case of the examples used here, the data were obtained by counting the breathing rate of goldfish in a laboratory experiment.
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factoring, completing the square & Using the quadratic formula
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