While we're on regression--I know this is a really dumb question and I = should know the answer. But here goes, my ignorance on display:
In comparing some regressions to published ones, how do I test for = significant difference in slope? I have calculated the 95% C.I. of my = slope by using the t distribution applied to the SE of the slope, as = described on p. 331 of Zar (1996, 3rd edition). If somebody else's slope is outside of this C.I., are the two slopes = significantly different at p =3D 0.05? That is, I don't have to consider = the C.I. on their slope? Thanks much for any enlightenment on this very basic issue. Dave W.
