Which of the Following Would Be an Appropriate Null Hypothesis

question 159

Multiple Choice

Which of the following would be an appropriate null hypothesis?

• A) The mean of a population is equal to 55.
• B) The mean of a sample is equal to 55.
• C) The mean of a population is greater than 55.
• D) Only A and C are appropriate.

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Definitions:

Myelin Sheaths

Protective covering made of fat and protein that surrounds nerve fibers, facilitating the rapid transmission of nerve impulses.

Myelin Sheath

A fatty layer that covers and insulates nerve fibers to enhance the speed of electrical impulses.

Nodes of Ranvier

Gaps in the myelin sheath of a nerve fiber where the axon is exposed, allowing for the rapid transmission of nerve impulses through saltatory conduction.

Internodes

Sections of a plant stem between two nodes, where leaves and branches are attached.