题目
In an ordinary least squares regression, t-tests are used to determine the statistical significance of:
选项
A.the individual parameter estimates
B.the regression
C.a set of parameters
D.the error term
答案
A
解析
T-tests are used to determine the statistical significance of individual parameter estimates in an ordinary least squares regression.T检验用于确定普通最小二乘回归中各个参数估计值的统计显着性。