The Number of Observations Minus the Number of Estimated Coefficients

question 42

Multiple Choice

The number of observations minus the number of estimated coefficients in a regression equation is called:

• A)degrees of freedom.
• B)variance.
• C)standard error fo the regression.
• D)none of the above.

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Definitions:

Myofibrils

Rod-like units of a muscle fiber that are essential for muscle contraction, composed of sarcomeres.

Motor Units

Functional units of a muscle that consist of a motor neuron and all the muscle fibers it innervates.

Gastrocnemius Muscles

A major calf muscle that is involved in walking, running, and jumping by flexing the foot at the ankle.

Soleus Muscles

A powerful muscle in the back part of the lower leg (calf) that is involved in standing and walking.