Which of the following is true of Chow test?
A、It is a type of t test.;
B、 It is only valid underhomoskedasticty. ;
C、It is a type of sign test.;
D、It is only valid under heteroskedasticity
发布时间：2025-12-03 04:20:31
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答案：It is only valid under homoskedasticty.
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