An Artifact Is Discovered at a Certain Site

question 277

Multiple Choice

An artifact is discovered at a certain site. If it has 53% of the carbon-14 it originally contained, what is the approximate age of the artifact to the nearest year? (carbon-14 decays at the rate of 0.0125% annually.)

• A) 2206 yr
• B) 4240 yr
• C) 5079 yr
• D) 3760 yr

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Definitions:

Stepwise Regression

A method of fitting regression models in which predictors are added or removed based on specific criteria, such as their statistical significance.

Regression Model

A statistical technique that models and approximates the relationship between a dependent and one or more independent variables.

Nonlinear Relationship

A type of relationship between two variables where a change in one variable does not lead to a constant change in the other variable.

Stepwise Regression Analysis

A method of fitting regression models where the choice of predictive variables is carried out by an automatic procedure.