Cost of Books
The editor of a major academic book publisher claims that a large part of the cost of books is the cost of paper.This implies that larger books 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 books.These data are listed below. 
-{Cost of Books Narrative} Determine the coefficient of determination and discuss what its value tells you.
Definitions:
Objectively Interpret
The process of understanding or analyzing information based on facts and without personal bias.
Validity
The extent to which a test or procedure accurately measures what it is intended to measure.
Predictive Validity
The extent to which a score on a scale or test predicts future performance on a related outcome.
Content Validity
The extent to which a test measures all aspects of the concept it intends to assess, ensuring the test is representative of the subject matter.
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