The Null Hypothesis Is

question 124

Multiple Choice

The null hypothesis is:

• A)often from a benchmark or historical value.
• B)chosen after looking at the sample data.
• C)what the researcher is trying to prove.
• D)dependent on the level of significance.

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Definitions:

Breathing

The process of inhaling oxygen and exhaling carbon dioxide from the atmosphere.

Epiglottis

A flap of cartilage located at the root of the tongue, which is depressed during swallowing to cover the opening of the windpipe.

Trachea

The windpipe, a large airway that leads air in and out of the lungs.

Aspiration

Aspiration can refer to the act of drawing breath, but also to the inhalation of food or liquid into the lungs, or a strong desire for achievement.