Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The dashed line is the usual least squares solution of Y=a+bX which minimizes Σ(Y0—Yc)2. The solid line is the solution assuming both X and Y are subject to equal absolute errors.
