1. Provide the 95% confidence and prediction limits, as well as the predicted point value of elevation for ponderosa pine at 39.006 degrees N latitude?

> (lat.coef<-mod.typelat[[1]][6])

lat

-48.56955

> (pipo.coef<-mod.typelat[[1]][5])

TypeCEGI

-1700.508

> int+lat.coef*33+pipo.coef

(Intercept)

527.294