Question: Consider the multiple regression modely= x1b1+x2b2+x3b3+e (the file has been invludes) y x1 x2 x3 1 1 1 0 1 1 -2 1 4 1

Consider the multiple regression modely= x1b1+x2b2+x3b3+e

(the file has been invludes)

y x1 x2 x3
1 1 1 0
1 1 -2 1
4 1 2 2
0 1 1 -2
1 1 -2 1
-2 1 -1 -2
2 1 1 0

Compute he sample correlation and the sample covariance betweenx1 and x3, check whether they are statistically significant

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