A Null Hypothesis Is a

question 85

Multiple Choice

A null hypothesis is a

• A) statistical term for hypotheses that the data fail to confirm.
• B) statistical hypothesis that says no relationship exists between the variables under investigation.
• C) research hypothesis that has been rejected by research findings.
• D) research hypothesis that states no relationship exists between the variables under investigation.

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Definitions:

Greenhouse Effect

Warming of Earth’s lower atmosphere and surface as a result of heat trapped by greenhouse gases.

Primary Production

The production of organic compounds from atmospheric or aquatic carbon dioxide, principally through the process of photosynthesis or chemosynthesis.

Photosynthesis

The process by which green plants, algae, and some bacteria convert light energy into chemical energy stored in glucose, using carbon dioxide and water.