A Recording of a Procedure in Which the Electrical Events

question 88

Multiple Choice

A recording of a procedure in which the electrical events associated with the beating of the heart are evaluated is an:

• A) echocardiogram.
• B) electrocardiogram.
• C) angiogram.
• D) arteriogram.

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Definitions:

Null Hypothesis

In statistical hypothesis testing, a statement suggesting that there is no significant difference or effect and that any observed difference is due to sampling or experimental error.

Small P-value

In statistical hypothesis testing, a small p-value indicates strong evidence against the null hypothesis, suggesting that the observed data is unlikely under the assumption of no effect or no difference.

Null Hypothesis

A statistical assumption that indicates no effect or no difference in a particular context, used as a starting point for hypothesis testing.

P-value

A statistical measure that helps scientists determine the significance of their research results by comparing the observed data against a specific hypothesis.