An increase in the money supply leads to______.
A. a decline in interest rates, a decrease in investment, and an increase in AD
B. a decline in interest rates, an increase in investment, and a decrease in AD
C. a decline in interest rates, an increase in investment, and an increase in AD
D. an increase in interest rate, an increase in investment, and an increase in AD
E. an increase in interest rate, a decrease in investment, and a decrease in AD
当a=0.05时,用F检验法检验回归方程中x对y的影响是()。A.显著B.不显著C.不能确定 附:F0.95(1,12)=4当a=0.05时,用F检验法检验回归方程中x对y的影响是()。
A. 显著
B. 不显著
C. 不能确定 附:F0.95(1,12)=4.75;F0.975(1,12)=6.55;F0.95(1,13)=4.60