Y5

15. If Qdx = 50 - 5Px + 2Py - 3Pz + 2B + 2N + (0.50) (2.4) (1.20) (-3.2) (2) (0.70) Given the coefficients of the various determinants of demand for good "x" with the t values inside the parentheses, which of the following statements is correct?

A. We are 95% sure that the income of the consumers significantly affects the demand for good "x"

B. The number of consumers is not a significant determinant of the demand for good "x"

C. We are 99% sure that the income of the consumers significantly affects the demand for good "x"

D. Only A and B are correct

E. Only B and C are correct

16. Which of the following statements is correct?*

A. The t value is computed using the formula: standard error divided by the coefficient of the predictor or explanatory variable

B. The higher the standard error of the coefficient of the predictor variable, the better

C. The R square ranges from 0 to 1

D. Only A and B are correct

E. Only A and C are correct