The following regression output was obtained from a study of architectural firms. The dependent variable is the total amount of fees in millions of dollars.

Predictor	Coefficient	SE Coefficient	t	p-value
Constant		9.936			2.986			3.328			0.010
x1		0.211			0.266			0.793			0.000
x2		1.135			0.573			1.981			0.028
x3		0.303			0.105			2.886			0.114
x4		0.627			0.314			1.997			0.001
x5		0.043			0.025			1.720			0.112

Analysis of Variance
Source	DF	SS	MS	F	p-value
Regression	5		1,870.85		374.2		9.67		0.000
Residual Error	60		2,321.40		38.69
Total	65		4,192.25