Q2:(36 marks)Suppose that the demand for Chinesecellphones from the U.S.increases,but China's net capitaloutflow doesn't... 查看全部
(a)(10 point)Consider the two linear regression models:· Model1:y=a+a1X1+a2X2+u1· Model2:=0+31X1+B2X2+3X3+34X4+u2 Prove ... 查看全部
X-Tel budgets sales of $60,000 for April, $100,000 for May, and $80,000 for June. In addition, sales commissions are 10%... 查看全部