问题:
给定方程 _
=
_
,用来验证
的Stata命令是()
Atest schooling_yr=3
Btest birthyear=3
Ctest schooling_yr+birthyear=3
D以上说法都不正确
给定方程 _
=
_
,用来验证
的Stata命令是()
Atest schooling_yr=3
Btest birthyear=3
Ctest schooling_yr+birthyear=3
D以上说法都不正确
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