Imagine That Some of the Wells Around a City Have

question 39

Multiple Choice

Imagine that some of the wells around a city have begun to show elevated levels of a toxic substance.Without knowing what the toxic substance is,how can you determine what the source of the chemicals might be?

• A) Without knowing what the toxic chemical is,it would be impossible to pinpoint where the source is.
• B) Determine if there are any chemical factories in the area and report them to the authorities.
• C) Determine which wells show the chemicals and which do not and use that data to track the flow of the water.
• D) Determine which well shows the highest concentration and determine the closest source to that well.

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Definitions:

Specification Limits

Pre-determined upper and lower bounds within which a product or process's performance is considered acceptable.

Standard Deviations

An indicator of the degree of spread or variability in a collection of data points, showing how much the values differ from the average.

Sample Proportion

An estimate of the proportion within the entire population that possesses a particular attribute, derived from a subset of the population.

Manufacturing Process

The procedure through which raw materials are transformed into finished products through various mechanical, chemical, or physical operations.