Advantages of the Method of Least Squares Over the High-Low

question 55

Multiple Choice

Advantages of the method of least squares over the high-low method include all of the following EXCEPT

• A)a statistical method is used to mathematically derive the cost function.
• B)only two points are used to develop the cost function.
• C)the squared differences between actual observations and the line (cost function) are minimized.
• D)all the observations have an effect on the cost function.

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Definitions:

R Wave

Part of the QRS complex in an electrocardiogram (ECG) representing ventricular depolarization, which precedes ventricular contraction.

Heart Skeleton

A framework of dense connective tissue in the heart that provides structural support and attachment for cardiac muscle and valves.

Ectopic Stimuli

Electrical or chemical signals occurring at an abnormal location or time in the body, often resulting in irregular physiological responses such as ectopic heartbeats.

Atria

The two upper chambers of the heart that receive blood returning to the heart from the body and lungs.