Analysis of a Water Sample by a Series of Presumptive

question 29

Multiple Choice

Analysis of a water sample by a series of presumptive, confirmatory, and completed tests that provide an estimate of coliform numbers in the water is called the ______.

• A)membrane filter method
• B)coliform count
• C) most probable number (MPN)
• D) standard plate count

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Definitions:

Probability

A numeric scale from 0 to 1 indicating how probable an event is to take place.

Statistic

A numerical value that describes a characteristic of a sample.

Regions of Rejection

Areas in a statistical test that, if a test statistic falls within, lead to the rejection of the null hypothesis.

Critical Value

The threshold value that the test statistic must exceed in order for the null hypothesis to be rejected.