微信扫一扫
实时资讯全掌握
Consider the following estimated regression equation, with standard errors of the coefficients as indicated:
Salesi = 10.0 + 1.25 R&Di + 1.0 ADVi − 2.0 COMPi + 8.0 CAPi Sales are in millions of dollars. An analyst is given the following predictions on the independent variables: R&D = 5, ADV = 4, COMP = 10, and CAP = 40. The predicted level of sales is closest to: A. $320.25 million. B. $310.25 million. C. $360.25 million. |