A Non-Native Species Accidentally Introduced into Lake Erie, ____ Inadvertently

question 1

Multiple Choice

A non-native species accidentally introduced into Lake Erie, ____ inadvertently helped restore the polluted lake by eating phytoplankton.

• A) mayflies
• B) oligochaete worms
• C) phytoplankton
• D) salmon
• E) zebra mussels

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Definitions:

Confidence Level

The percentage or level of certainty that a statistical parameter lies within a specific interval.

Population Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of data values in a population.

Sample Size

The count of data points or repeated measurements contained within a statistical sample.

Population Standard Deviation

A measure of the dispersion or spread of all individual values from the mean of a population.