問題詳情
⑷若真實之廻歸模型為
，請用題⑴之 βˆ 1去估計真實模型中之β1，求出其偏誤（bias）。
參考答案
答案：B
難度：適中0.557377
統計：A(7),B(68),C(11),D(25),E(0)
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