Math Problem Solver

Below is data of the variables Y, X1, X2, X3 and X4. Test for the presence of

multicollinearity.

X1

2.55

2.58

2.72

2.63

2.67

2.63

Y 223.5 215 227.5 244.5 313.5 279 238 315.5 217 209.5

2.63

X2 18.75 13.87 14.27 18.76 18.77 13.87 14.14 18.76 18.72 18.76

X3 13.87 12.83 13.16 15.19 13.92 14.42 13.83 14.5 13.87 13.64

X4

2.67

5.13

5.18

5.71

2.63

2.61

5.59

5.21

5.07

5.65

5.89

(i) Explain the meaning of intrinsically linear regression model.

5.57

6.09