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The Pericardial Sac That Encloses the Heart Is a Two-

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Multiple Choice

The pericardial sac that encloses the heart is a two- layered structure. The outer layer is the________ .


Definitions:

Null Hypothesis

The null hypothesis is a type of hypothesis used in statistics that suggests there is no statistical significance in a set of given observations.

Observed Counts

The actual numbers counted in each category or group in a study or experiment.

Distribution

In statistics, it refers to the way in which data points are spread or dispersed across a range of values.

T Procedure

The T procedure, often referred to as the T-test, is a statistical test used to determine if there is a significant difference between the means of two groups which may be related in certain features.

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