The Population Mean Is Estimated by

question 18

Multiple Choice

The population mean is estimated by

• A)calculating the mean of as many scores as we can get from the population.
• B)calculating the mean of a random sample drawn from the population.
• C)calculating the mean of a sample and then transforming it to reflect the size of the population.
• D)calculating all measures of central tendency for a random sample drawn from the population.

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Definitions:

Dewatered Zone

An area from which significant amounts of water have been removed, often related to geological or artificial processes affecting soil and rock permeability.

Aquifer

An aquifer is an underground layer of water-bearing permeable rock, rock fractures, or unconsolidated materials through which groundwater can move.

Sediments

Particles of soil, sand, or small pieces of rock deposited by water, wind, or ice.

Cone of Depression

A cone-shaped lowering of the water table around a pumping well, due to the removal of groundwater faster than it can be replenished.