To Prevent the Overgrowth of Cyanobacteria and Algae in Water

question 39

Multiple Choice

To prevent the overgrowth of cyanobacteria and algae in water reservoirs, the water is often treated with

• A)iodine.
• B)copper sulfate.
• C)propionic acid.
• D)lactic acid.
• E)antibiotics.

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Definitions:

Standard Deviation

A measure of the dispersion or spread of a set of data points relative to its mean, indicating how spread out the data points are.

Measures of Variability

Statistical metrics that describe the spread or dispersion within a data set, including range, variance, and standard deviation.

Coefficient of Variation

A normalized measure of the dispersion of a probability distribution or frequency distribution, often used to compare the degree of variation from one data series to another.

Standard Deviation

A measure of the dispersion or spread of a set of numbers, indicating how much variation there is from the average.