Suppose That a Population Is Known to Have a Mean

question 32

Multiple Choice

Suppose that a population is known to have a mean of 80.If a researcher predicts the experimental treatment will produce an increase in the population mean,then the null hypothesis for this statistical hypothesis test would state

• A)µ > 80
• B)µ  80
• C)µ  80
• D)µ < 80

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Definitions:

Intercostal Muscles

Muscles located between the ribs that play a key role in the mechanical aspect of breathing by assisting in the expansion and contraction of the chest cavity.

Change the Size

A process or action that results in an alteration of the dimensions, proportions, or magnitude of an object or entity.

Transverses Abdominis Muscle

A muscle layer of the anterior and lateral abdominal wall which is deep to the internal oblique muscle.

External Oblique Muscles

Muscles located on the side and front of the abdomen, which help in rotating the trunk and pulling the chest downwards.