If the P-Value Is Less Than α in a Two-Tail

question 157

Multiple Choice

If the p-value is less than α in a two-tail test,

• A)the null hypothesis should not be rejected.
• B)the null hypothesis should be rejected.
• C)a one-tail test should be used.
• D)no conclusion should be reached.

---

Definitions:

ECGs

Electrocardiograms, a medical test that measures the electrical activity of the heart to identify abnormalities.

Atrioventricular Valves

Heart valves located between the atria and ventricles, enabling blood flow from the atria to the ventricles while preventing backflow.

Semilunar Valves

Valves located at the exit of both the left and right ventricles of the heart, which prevent backflow of blood into the ventricles.

Ventricles

Ventricles are chambers within the heart that pump blood out to the lungs and the rest of the body, crucial for the cardiac circulation process.