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On a scatter diagram,the vertical distance between the dot for the actual score and the regression line represents the
Electrodes
Conductive materials that allow the flow of electrical current in and out of a circuit or solution.
ECG Paper
Specialized graph paper used in electrocardiography to record electrical activity of the heart over time.
Single-Channel Machines
Devices that are designed to process or measure one signal or data stream at a time.
ECG Machine
A medical device used to measure the electrical activity of the heart over a period of time, aiding in the diagnosis and monitoring of heart conditions.
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