What Are the Advantages of Using the Least Squares Method

Multiple Choice

What are the advantages of using the Least Squares Method rather than the Compass Rule adjustment to address traverse closure errors?

A) The least squares method results in a weighted means adjustment.
B) The least squares method may be used to adjust any type of data to meet geometric conditions and reflect statistical considerations.
C) Free computer software programs are readily available to solve complex equations.
D) All of the above