r2 is the square of the correlation between X and Y and also the ^ square of the correlation between Y and Y.
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Q5: The unexplained variation in Y is
Q6: The model: Y = Q7: The larger the beta coefficient value, the Q9: The sole purpose of regression analysis is Q10: The total variation in Y, the dependent Q14: An independent variable which takes a small Q15: A regression model can be used to Q16: A regression model can accurately predict the Q17: Regression is an analysis of dependence technique Q19: If the standard deviation of X is
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