The Factor Involved with Air Pollution That Is Most Subject

question 45

Multiple Choice

The factor involved with air pollution that is most subject to control by man is:

• A)stability.
• B)wind speed.
• C)sources.
• D)lapse rates.
• E)turbulence.

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Definitions:

Standard Deviation

A gauge for the level of variability or disparity within a set of data points.

Interval Estimate

A type of estimate used in statistics that specifies a range within which a population parameter is expected to lie with a certain level of confidence.

Distribution

Refers to the way in which something is shared out among a group or spread over an area.

Standard Error

The standard deviation of the sampling distribution of a statistic, often used in the context of mean.