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Question 22 {4 points] The equation of the regression line is Y = a + bX. Match the following svmbols to the description to the right. v R2 v x v '1' v a v R v b 1_ Denotes the variable plotted on the horizontal axis and called the explanatory or independent variable. Denotes the variable plotted on the vertical axis and is called the response or dependent variable. The regression result = the change in Y for a change in X of +1. and called the slope. The proportion of the variabilitv of Y that is explained bv or accountable to K. The strength and direction of the linear relationship between X and Y. The regression result = elevation of the line at X=D. and called the intercept