在回归模型 Y i =β 0 +β 1 X i +u i 中,检验 H 0 : β 1 =0时, 所用的统计量 β^/SE( β^ ) 服从的分布为 ( )
A.
χ 2 (n-2)
B.
t(n-1)
C.
χ 2 (n-1)
D.
t(n-2)
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【单选题】To prepare for a trip abroad, you need to consider what things to take and what things to do. Which of the following tools can help you be better organized?