Where Do the Majority of the Earth's Earthquakes and Volcanoes

question 4

Multiple Choice

Where do the majority of the Earth's earthquakes and volcanoes occur? 

• A) along the edges of continents 
• B) in the open ocean 
• C) on oceanic islands 
• D) in the interior areas of continents

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Definitions:

Unbiased Estimator

A statistical estimator whose expected value equals the true value of the parameter it estimates.

Sample Mean

The arithmetic average of a set of sample values, used as an estimate of the population mean.

Population Mean

The average value of a characteristic in the entire population of interest.

Unbiased Estimator

A statistic used to estimate a population parameter that is expected to be equal to the true parameter value on average.