The Part of the Subsurface Where Most of the Pore

question 59

Multiple Choice

The part of the subsurface where most of the pore spaces are filled with air is the:

• A) unsaturated zone
• B) saturated zone
• C) aquifer

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Definitions:

Sample

A subset of individuals or observations from a population used to estimate parameters or statistics of the whole population.

Mean

The average of a set of numbers, calculated by summing them up and dividing by the number of summands.

Standard Deviation

A measure of the amount of variability or dispersion of a set of values around the mean.

Confidence Interval

A span of numbers, calculated from observed data statistics, that probably encompasses an unknown parameter of a population.