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True or False 1) The coefficient of determination is the proportion of total variation in Ythat is explained by X. 2) Because the coemcient of determination is expressed as a percent, its value is between 0% and 100%_ 3) The values ofa and b in the regression equation are called the regression coefficients. 4) Standard Error Increases when coemcient of determination increases Multiple Choice 5) In regression analysis, "hat is the predictor variable called? A) Independent variable B) Dependent variable C) Correlation variable D) Variable of determination 6) What does a coefficient of correlation of 0.70 infer? A) There is almost no correlation because 0_70 is close to 1_0_ B) Seventy percent of the variation in one variable is explained by the other variable C) The coeffcient of determination is 0 _ 49 _ D) The coeffcient is 0_30_ 7) If r = 0_65 , what does the coefficient of determination equal? A) 0.1945 B) 0.4225 C) 0.5778 D) 0.8061 8) In the regression equation, what does the letter X represent? A) The Y-intercept B) The slope of the line C) The independent variable D) The dependent variable