Multiple regression

[Mohita Maggon]

Dear Group Members

I have query based on slopes in Multiple regression. the regression output gives confidence intervals for partial slopes of IV but how can we find CI for marginal slope? As in table below:

Regression output					confidence interval
variables	coefficients	std. error	t (df=77)	p-value	95% lower	95% upper
Intercept	7.1388	2.8857	2.474	.0156	1.3927	12.8850
X1	0.3237	0.1798	1.800	.0757	-0.0343	0.6818
X2	-0.1857	3.1619	-0.059	.9533	-6.4819	6.1104

How can we find CI for X1's marginal slope. Using the conventional formula of CI=Estimate plus minus t*SE gives the partial slope CI.

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Regards

Mohita