Estimates Vary, but Reasonable Numbers for Extinction Rates Suggest That

question 21

Multiple Choice

Estimates vary, but reasonable numbers for extinction rates suggest that extinction is occurring at a rate approximately ____ times above the normal background rate.

• A) 10
• B) 100
• C) 1000
• D) 10,000
• E) 1,000,000

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Definitions:

Time Series Data

Data collected at successive equally spaced points in time, often used to analyze trends, cycles, or seasonal variations.

Exponential Smoothing

A time series forecasting method for univariate data that involves using weighted averages of past observations, with the weights decaying exponentially as the observations get older.

One-Period Ahead Forecasting

A forecasting method that predicts the value of a variable for the next period based on past and current data, often used in time series analysis.

Seasonal Components

Periodic fluctuations in data that occur at regular intervals due to seasonal factors.