A Study Tests the Difference Between 20 Democrats and 20

question 65

Multiple Choice

A study tests the difference between 20 Democrats and 20 Republicans. In this example, the degrees of freedom is equal to ______.

• A) 18
• B) 19
• C) 38
• D) 39

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Definitions:

Flexing

The action of contracting a muscle or group of muscles to cause movement of a limb or other body part.

Hyperextending

The act of extending a limb or joint beyond its normal range of motion, which can lead to strain, injury, or damage of tissues.

Multiaxial Joint

A type of synovial joint that allows for movement along multiple planes and axes.

Humeroscapular

Pertaining to the humerus (upper arm bone) and the scapula (shoulder blade), often related to the shoulder joint.