What Would the Atom Ratio of ²⁰⁶Pb to ²³⁸U Be

question 94

Multiple Choice

What would the atom ratio of ²⁰⁶Pb to ²³⁸U be in a uranium mineral from a rock that is 1.0 * 10⁹ years old? t_1/2(²³⁸U) = 4.5 * 10⁹ yr.

• A) 0.14
• B) 0.16
• C) 0.22
• D) 0.86
• E) 1.16

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Definitions:

Residuals

Differences between observed and predicted values in a statistical model, used to assess the model's fit.

Error Variable

The difference between observed and predicted values in a statistical model, often referred to as the residual.

Sum of Squares for Error

A measure of the discrepancies or variations between observed and predicted values in a data set, used in statistical analysis.

SSE

Sum of Squared Errors, a measure of the discrepancies between the data and an estimation model.