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A. 0.405
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B. 0.714
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sh the exam.
English and Chinese grades of 5 students are as below
Student English grade (X) Chinese grade (Y)
1
5
6
2
6
8
3
7
5
4
4
6
5
9
9
We want to do linear regression analysis on X and Y. Given the standard error of esti-
mate σ = 1.56, calculate the standard error of the slope se(ẞ₁).
Given se (61) = √√
σ2
Sxx
