Which of the Following Sampling Methods Is the Most Statistically

question 46

Multiple Choice

Which of the following sampling methods is the most statistically efficient (the most representative) ?

• A)simple random
• B)systematic random
• C)stratified random
• D)cluster
• E)All are equally statistically efficient.

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Definitions:

Groundwater

the water present beneath Earth's surface in soil pore spaces and in the fractures of rock formations.

Lakes

Bodies of freshwater or sometimes saline water occupying large depressions on the Earth's surface, often fed by rivers or streams.

Ice Caps

Large areas covered with ice that are smaller than ice sheets, found in polar and subpolar regions, significantly affecting the regional climate.

Groundwater

Water that fills the cracks and spaces in underground soil and rock layers, supplying wells and springs.