The First Reefs on Earth Were Built By

question 66

Multiple Choice

The first reefs on Earth were built by:

• A)bacteria.
• B)calcified sponges.
• C)proteinaceous sponges.
• D)algae.
• E)corals.

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, represented as the square root of the variance.

Population Mean

The mean of every number within a group.

Confidence Interval

A pool of values, from the statistical study of samples, presumed to envelop the covert figure of a population characteristic.

Container Control Bill

Legislation aimed at regulating the management, tracking, and security of containers in shipping and transportation.