NO.PZ2018101001000048
问题如下：
Steven does the F-test of 8 variables and gets that the significance of F is 0.023, which is smaller than the significant level at 0.05, so he makes a conclusion that at least one of the dependent variables in the regression model makes a significant contribution to explain the independent variable. Is this conclusion most likely correct?
选项：
A.Yes.
B.No, it should be all of the independent variables in the regression model make a significant contribution to explain the dependent variable.
C.No, it should be at least one of the independent variables in the regression model makes a significant contribution to explain the dependent variable.
解释：
C is correct.
考点: Regression Coefficient: F-test.
解析: The significance of F is 0.023就意味着P-value等于0.023，小于α = 0.05，所以拒绝原假设，得到的结论应该是at least one of the independent variables in the regression model makes a significant contribution to explain the dependent variable，题干中的结论把自变量和因变量说反了。所以应该选择C选项。
1、F value、critical value、 P value、significant level傻傻分不清
2、到底是哪个大于哪个拒绝原假设啊？拒绝原假设就=significant?
