This is a typical misuse of regression result.

来源: 于 2010-12-27 20:22:49 [旧帖] [给我悄悄话] 本文已被阅读：次

The strong correlation between SAT and Income also can be interprated as high SAT

gives high income or vise versa. It doesn't say which one is the cause, which one

is the result