Air Pollution Levels That May Be Life- Threatening Within a Few

question 84

Multiple Choice

Air pollution levels that may be life- threatening within a few hours or days are termed:

• A) acute
• B) toxic
• C) high risk
• D) fast acting

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Definitions:

Median

The middle value in a dataset when it is ordered from smallest to largest, or the mean of the two middle numbers if there is an even number of values.

Sample Variance

A measure that quantifies the degree to which sample points in a dataset differ from the sample mean.

Population Variance

A measure of the dispersion of individual values in a population around the mean of the population.

Sample Variance

The measure of dispersion or variability within a sample data set, quantifying the spread of its values.