Sponges Are Mostly Found in ________

question 22

Multiple Choice

Sponges are mostly found in ________.

• A)marine ecosystems
• B)fresh water ecosystems
• C)both marine and fresh water ecosystems
• D)neither marine nor fresh water ecosystems

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Definitions:

Null Hypotheses

The null hypothesis is a statement in statistical hypothesis testing that assumes no effect or no difference in the case of the study, serving as the default or initial assumption.

T-test

A statistical method employed to assess if there's a notable difference in the averages of two distinct groups.

Significance Level

A predetermined threshold for determining statistical significance in hypothesis testing, typically set at 0.05, which represents the risk of committing a Type I error.

T-statistic

A ratio of the departure of an estimated parameter from its notional value and its standard error.