A Forester Would Like to Know How Big a Maple

question 46

Essay

A forester would like to know how big a maple tree might be at age 50 years.She gathers data from some trees that have been cut down,and plots the diameters (in inches)of the trees against their ages (in years).First she makes a linear model.The scatterplot and residuals plot are shown.If she uses this model to try to predict the diameter of a 50-year old maple tree,would you expect that estimate to be fairly accurate,too low,or too high? Explain.

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Definitions:

Commercially Reasonable Manner

A standard requiring that actions taken in a business context comply with what a reasonable person would consider appropriate and fair in the same circumstances.

Merchant

An individual or company engaged in the buying and selling of goods or services in commerce, especially one dealing in a specific commodity or operating in a particular sector.

Special Knowledge

Extraordinary or advanced understanding and information in a particular field or subject, beyond that of the average person.

Unconscionable Clause

A term in a contract deemed so unjust that it is unenforceable under the law.