計量導論實習課
Quiz
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Mathematics
•
University
•
Medium
林寬諺 林寬諺
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ANOVA的全名是什麼
ANalysis Of VAcation
ANalysis Of VAriable
ANalysis Of VAriance
AN Optimistic
VAriance
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ANOVA的目的是什麼?
檢定樣本平均是否相異
檢定樣本變異數是否相異
檢定母體平均是否相異
檢定母體變異數是否相異
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ANOVA使用的檢定統計量?
Z檢定統計量
T檢定統計量
F檢定統計量
卡方檢定統計量
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以下哪一個是多重比較的矯正方法?
最小平方法
最大概似估計法
邦佛洛尼校正法
Plackett-Burman
test
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
迴歸跟相關差在哪裡?
沒有差
迴歸有一個應變數跟多個自變數;
相關是兩個自變數
差在前提假設
以上皆非
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
最小平方法的前提假設?
隨機變數要來自常態
隨機變數的期望值都是0;變異數是定值。
要知道隨機變數的分佈
不用任何前提假設
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
什麼是高斯馬可夫定理?
直角三角形兩股平方何等與斜邊平方
如果線性模型滿足高斯馬可夫假定,則迴歸係數的「最佳線性不偏估計」(BLUE)就是最大概似估計法估計
保證具有一致性
如果線性模型滿足高斯馬可夫假定,則迴歸係數的「最佳線性不偏估計」(BLUE)就是普通最小平方法估計
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