The Sinoatrial Node Is Sometimes Called the Pacemaker of the Heart

question 161

True/False

The sinoatrial node is sometimes called the pacemaker of the heart.

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Definitions:

Standard Deviation

A statistic that measures the dispersion of a dataset relative to its mean.

T-Distribution

A probability distribution used in statistics for estimating population parameters when the sample size is small and the population variance is unknown.

Confidence Intervals

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter, expressed with a certain level of confidence.

Population Variance

A measure of the spread of a population's values, calculated as the average squared deviation from the population mean.