The Half-Life of ¹⁴C Is 5730 Yr

question 72

Multiple Choice

The half-life of ¹⁴C is 5730 yr. Assuming some charcoal from a campfire 29,000 years old was found, what fraction of the original C-14 would remain today?

• A) 3.0 × 10^-2
• B) 0.20
• C) 3.5
• D) 0.33
• E) 0.29

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Definitions:

Collinearity

Collinearity is a condition in statistical modeling where two or more predictor variables are closely linearly related, potentially affecting the model's estimates and interpretations.

F-test

A statistical test used to compare the variances of two populations to assess the equality of their means.

Multicollinearity

A statistical phenomenon in which multiple independent variables in a regression model are highly correlated, potentially undermining the statistical validity of the model.

Independent Variables

Variables in an experiment or statistical model that are manipulated or categorized to investigate their effect on dependent variables.