Please Answer multiple choice, do not have to show any work.

22. The variable about which the investigator wishes to make predictions or estimates is called the a. Dependent variable b. Unit of association c. Independent variable d. Discrete variable ECO 302 Fall, 2021 Page 14 of 15 23. In regression analysis, the quantity that gives the amount by which Y changes for a unit change in X is called the a. Coefficient of determination b. Slope of the regression line c. Y intercept of the regression line d. Correlation coefficient 24. In the equation y=botbi (x), bo is the a. Coefficient of determination b. Slope of the regression line c. Y intercept of the regression line d. Correlation coefficient 25. In the equation y=botbi (x), bi is the a. Coefficient of determination b. Slope of the regression line c. Y intercept of the regression line d. Correlation coefficient 26. In regression and correlation analysis, the measure whose values are restricted to the range 0 to 1, inclusive, is the a. Coefficient of determination b. Slope of the regression line c. Y intercept of the regression line d. Correlation coefficient 27. In regression and correlation analysis, the measure whose values are restricted to the range -1 to +1, inclusive, is the a. Coefficient of determination b. Slope of the regression line c. Y intercept of the regression line d. Correlation coefficient 28. The quantity (Y; - Y)2 is associated with the sum of square. a. Least b. Explained c. Total d. Unexplained 29. If, in the regression model, b=0, we say there is linear relationship between X and Y. a. An inverse b. A significant c. A direct d. No