Discussion on infer stats in decision making

What do we mean by the least-square criterion? Give a general description of how the least-square criterion is involved in the construction of the least-square line. Why do we say the least-squares line is the “best-fitting” line for the data set?
Use the Internet and find a magazine or journal article in your field of major interest wherein the content of this chapter (Correlation and Regression – chapter 6) could be applied. List the variables used, method of data collection, and the general type of information and conclusion drawn.
need in apa format and 650 words
Textbook:- https://1lib.us/book/5876904/580dfb?id=5876904