A regression line is used to satisfactorily describe the relationship between amount of car surface per square inch and drying time (in minutes) of 24 cars in a car wax drying time study. The regression analysis is shown.

Variable

CoeffSE Coefft Ratiop-ValueConstant4.58930.278416.490.0023

Amount of car surface

5.8493

0.382715.300.0045

R squared = 89.1%

R squared (adj) = 90.1%

Which expression should be used to compute a 96 percent confidence interval for the slope of the regression line? (5 points)

	5.8493 2.172(0.3827)
	5.8493 2.183(0.3827)
	5.8493 2.177(0.3827)
	4.5893 2.183(0.2784)
	4.5893 2.177(0.2784)