The Unusually Rapid, Strong, or Irregular Pulsations of the Heart

question 2

Short Answer

The unusually rapid, strong, or irregular pulsations of the heart that the patient describes as pounding are ________.

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Definitions:

Degrees of Freedom

The number of independent values or quantities that can vary in an analysis without violating any constraints.

Hypothesis Test

A procedure in statistics to determine if there is enough evidence to reject a null hypothesis in favor of an alternative hypothesis.

Chi-square Distribution

A statistical distribution used particularly in hypothesis testing, derived from the sum of the squares of a set of variables that follow a normal distribution.

Critical Value

A point on the scale of the test statistic beyond which the null hypothesis is rejected.