The Following Questions Refer to the Figure Below, Which Shows

question 50

Multiple Choice

The following questions refer to the figure below, which shows an outcrop of sedimentary rock whose strata are labeled A-D.

If x indicates the location of fossils of two closely related species, then fossils of their most-recent common ancestor are most likely to occur in which stratum?

• A) A
• B) B
• C) C
• D) D

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Definitions:

Forecasting Models

Quantitative and qualitative models used to predict future data points, trends, or patterns, based on historical and current data.

Absolute Deviation

The absolute difference between each data point in a set and a point of central tendency, often the mean or median.

Autoregressive Model

A statistical model for analyzing time series data that uses the dependent relationship between an observation and a number of lagged observations.

Mortgage Rate

The interest rate charged on a mortgage loan, which can be fixed or variable, determining the amount of interest the borrower pays over the life of the loan.