How do I calculate 90 %CI

[lm]

This is urgent Can anyone help we . I need to calculate 90% CI and want to change the SE to reflect 90%CI.

I did proc means on the dataset but i guess that SE will be 95%CI.

Can anyone help.

[data_null__]

Did you look at the documention for PROC MEANS?

[ballardw]

Hint: Alpha=