此題型是北科99工管(甲、乙組)統計學考古題
希望請高手幫忙提供解讀表格意思及解答算法(先附上無詳解的解答)
Suppose that an experiment want to study about the relationship of response y
and independent variable x1,x2 and x3. Variables x1,x2 and x3 are coded for
convenience.
y x1 x2 x3
_______________________________
82 -1 -1 -1
93 1 -1 -1
114 -1 1 -1
124 -1 -1 1
111 1 1 -1
129 1 -1 1
157 -1 1 1
164 1 1 1
yi^2＝124252 (yi項平方的總合)
問了下列四題
a)What is the value of correlation coefficient γ between y and x1 ?
書上解答提供 0.0939
b)What is a multiple linear regression μ(Y︱x)=βo +β1x1 +β2x2 +β3x3
書上解答提供 yi= 121.75 + 2.5x1 + 14.75x2 + 21.75x3
c) 和 d)分別問了βo、β1及續做ANOVA表
麻煩高手教我如何下手解讀表格
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