You Wish to Determine Whether the Difference Between the Experimental

question 24

Multiple Choice

You wish to determine whether the difference between the experimental group and the control group was statistically significant. To make that determination, you will need to know three of the following types of information. Which one will you NOT need to know?

• A) the number of participants in each group
• B) the ages of the participants in each group
• C) the amount of variation among participants within each group
• D) the difference between the means of the two groups

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Definitions:

Common Iliac Artery

A major artery in the pelvic region that splits into the internal and external iliac arteries, supplying blood to the pelvis and legs.

Bifurcation

The division of something into two branches or parts, such as the bifurcation of a blood vessel or a route.

Abdominal Aorta

The largest artery in the abdominal cavity that supplies oxygenated blood to much of the abdominal and pelvic organs and the legs.

Arteriosclerosis

The thickening, hardening, and loss of elasticity of artery walls, often leading to restricted blood flow.