Need help on questions 3 and 4

ard.odu.edu/webapps/assessment/take/launch jsp?course assessment id- 241798 18course id 3169 n Completion Status: QUESTION 2 n the standard regression equation of y -a + bx, the letter b is best described as the A independent variable 8. slope of the equation. C intercept of the equation. D dependent variable QUESTION 3 The coefficient of correlation is O A the measure of variability of the actual observations from the predicting (forecasting) equation line. B. the proportion of the total variance in the dependent variable explained by the independent variable. C. the range of values over which the probability may be estimated based upon the regression equation results e D. the relative degree that changes in one variable can be used to estimate changes in another variable. QUESTION 4 A cost driver is defined as A. a fixed cost that cannot be avoided O B. the largest cost in a manufacturing process C. an indirect cost that cannot be traced to a particular cost objective but is essential to the business D. the significant factor in developing a new product o E. a causal factor that increases the total cost of a cost objective QUESTION S in the cost equation TC-F+VX.X is best described as the e A activity level used to estimate the total cost 8. total cost estimate at a particular activity level C costs that do vary with changes in the activity level costs that do not vary with chanzes in the activity level