The Half-Life of ¹⁴C, a Radioactive Element of Carbon, Is

question 190

Multiple Choice

The half-life of ¹⁴C, a radioactive element of carbon, is 5,700 years.The ratio of ¹⁴C to ¹²C in a fossil 28,500 years old would be about _______ that of a living organism today.

• A) the same as
• B) 1:5
• C) 1:8
• D) 5:1
• E) 1:32

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Definitions:

Degrees of Freedom

Refers to the number of scores in a calculation that are free to vary when estimating a parameter.

Calculating

The action of performing mathematical operations to determine a result.

Significant Correlations

Relationships between variables that are strong enough to unlikely be due to chance, as determined by statistical tests.

Test Statistic

A value calculated from sample data that is used in statistical hypothesis testing to determine whether to reject the null hypothesis.