The Sac Which Surrounds the Heart Is Called the

question 21

Multiple Choice

The sac which surrounds the heart is called the

• A)endocardium.
• B)pericardium.
• C)atrium.
• D)myocardium.

---

Definitions:

Obtained Value

The specific result or number arrived at after conducting an experiment or calculation.

Critical Value

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

Null Hypothesis

A hypothesis that there is no significant difference or effect, serving as the default assumption to be tested in statistical hypothesis testing.

One-Tailed Test

A statistical test in which the region of rejection is on only one side of the sampling distribution, used when making a directional hypothesis about a population parameter.