Question: The regression model y = -67.5 + 34.5x1, - 0.44x2 + 108.6x3 + 55.8x4 is obtained from n = 44 observations. The first observation is

The regression model
y = -67.5 + 34.5x1, - 0.44x2 + 108.6x3 + 55.8x4
is obtained from n = 44 observations. The first observation is y1 = 288.9. x1 = 12.3. x2 = 143.4. x3 = -7.2, x4 = 14.4 and it has a standardized residual - 1.98 and a leverage value 0.0887. If SST = 20554, what is R2?

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