The Mean of a Sample

question 90

Multiple Choice

The mean of a sample

• A)is always equal to the mean of the population
• B)is always smaller than the mean of the population
• C)is computed by summing the data values and dividing the sum by (n - 1)
• D)is computed by summing all the data values and dividing the sum by the number of items

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Definitions:

Groundwater Depletion

The lowering of groundwater levels due to excessive extraction, often for agricultural, industrial, and domestic use.

Shifting Cultivation

A traditional farming practice where land is cultivated temporarily then left to regenerate for a period before being used again, often involving clearing forest land.

Tropical Regions

Geographic areas located near the equator, characterized by a warm climate and significant biodiversity.

Agricultural Revolution

A period of technological improvement and increased crop productivity that occurred during the 18th and early 19th centuries.