用一组有30个观测值的样本估计模型=β1X1i+β2X2i+μi后，在显著性水平0.05下对方程的显著性作检验，此检验的备择假设是（　　）。 -题库考试答案搜索网

用一组有30个观测值的样本估计模型=β₁X_1i+β₂X_2i+μ_i后，在显著性水平0.05下对方程的显著性作检验，此检验的备择假设是（　　）。

单选题

2021-07-17 20:54

A、β<sub>0</sub>=0
B、β<sub>1</sub>=β<sub>2</sub>=0
C、β<sub>1</sub>=β<sub>2</sub>≠0
D、β<sub>1</sub>和β<sub>2</sub>不全为0

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正确答案

D

试题解析

标签：财会金融类期货投资分析师期货基础知识期货法律法规期货投资分析 2014年5月期货从业资格考试《期货投资分析》题库【历年真题（视频讲解）＋章节题库＋考前押题】第3章　数理方法

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