7. The following shows a partial printout of a regression analysis: Intercept X Variable 1 Coefficients 6903.83329 3.02097535 Which of the following statement about this regression analysis is correct? a. The fixed cost component is $6,903. b. The variable cost per unit is $3.02. c. Projected total cost for 400 units of activity will be $8,111. d. All of the above. 8. Regression analysis: a. is always accurate. b. uses statistical techniques. c. may involve more than one predictor variable. Both b and c. 9. The data used to estimate cost function: a. may be misplaced. b. are not subjected to inflation. c. never include allocated costs. d. are all within the relevant range. 10. It takes 80 hours of labor time to complete the first unit of output. Assuming that the company adopts the individual unit-time learning model with a 90 percent learning rate: a. the 2nd unit will take 72 hours. b. the time to finish the 3rd unit can't be determined. c. the fourth unit will take 64 hours. d. direct materials will be reduced because of learning. 11. High-low cost estimation: a. provides a very precise cost estimate. b. assumes that costs behave linearly. c. uses extreme points which are always representative of the rest of the data. d. is used to determine total product costs. 12. Which of the following statements about learning is correct? a. Learning affects labor costs. b. The presence of learning means that variable costs tend to decrease per unit as the volum increases. c. Failure to recognize learning effects can have unexpected consequences. d. All of the above