Why Is a Large Quantity of Water Used in Industrial

question 39

Multiple Choice

Why is a large quantity of water used in industrial processes in the U.S. purified by desalinization?

• A)The sources are brackish or metal ion rich.
• B)The sources are ocean water.
• C)There is not enough fresh water.
• D)It is less expensive than using fresh water.
• E)none of the above

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Definitions:

Empirical Rules

A statistical rule stating that for a normal distribution, nearly all data will fall within three standard deviations of the mean.

Interquartile Range

A measure of variability, calculated as the difference between the third (75th percentile) and first quartile (25th percentile), that indicates the middle 50% of the data.

Midrange

The statistical measure calculated as the mean of the highest and lowest values in a data set, providing a simple estimation of the data’s central tendency.

Arithmetic Mean

The average of a set of numerical values, calculated by adding them together and then dividing by the number of values.