In a Statistical Test of Hypotheses, a Type II Error

question 58

Multiple Choice

In a statistical test of hypotheses, a Type II error is committed if

• A) we reject the null hypothesis when, in fact, the null hypothesis is true.
• B) we fail to reject the null hypothesis when, in fact, the null hypothesis is true.
• C) we fail to reject the null hypothesis when, in fact, the null hypothesis is not true.
• D) we reject the null hypothesis when, in fact, the null hypothesis is not true.
• E) none of the above

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Definitions:

Cerebral Arterial Circle

Also known as the Circle of Willis, it is a circulatory anastomosis that supplies blood to the brain and surrounding structures.

Oxygenated Blood

Blood rich in oxygen, typically flowing from the lungs to the heart and then to the rest of the body.

Hepatic Portal Vein

A blood vessel that carries blood from the gastrointestinal tract, gallbladder, pancreas, and spleen to the liver.

Superior Mesenteric Vein

A large vein that drains blood from the small intestine, ascending colon, and part of the large intestine into the portal vein.