Cost of Textbooks the Editor of a Higher Education Book Publisher Claims

Essay

Cost of Textbooks
The editor of a higher education book publisher claims that a large part of the cost of books is the cost of paper.This implies that larger textbooks will cost more money.As an experiment to analyze the claim,a university student visits the bookstore and records the number of pages and the selling price of twelve randomly selected textbooks.These data are listed below. ​ ​
-{Cost of Textbooks Narrative} Determine the least squares regression line.