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Refer to the Information Provided in Scenario 22

question 93

Multiple Choice

Refer to the information provided in Scenario 22.3 below to answer the question(s) that follow.
SCENARIO 22.3: Consider a local high school that has 300 sophomores considered to be at-risk students. A privately-sponsored after-school sports program has been established to try to help at-risk students succeed in finishing high school. The local government wants to know if this program reduces the students' probability of dropping out of high school before the end of their junior year, and decides to randomly sample 150 of the 300 at-risk sophomores and invite them to attend the after-school program at no cost. 100 students accept the invitation, and by the end of their junior year, the drop-out percentage of the 100 students who attended the program was lower than the drop-out percentage of the 200 students who did not attend the program.
-Refer to Scenario 22.3. Based on the information in the scenario, can you conclude that the after-school program had a positive effect?

Definitions:

Blood Capillary

The smallest blood vessels in the body, connecting arterioles to venules and facilitating the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste chemical substances between blood and surrounding tissues.

Vena Cava

Large systemic vein that returns blood to the right atrium of the heart in tetrapods; either the superior or inferior vena cava.

Antihistamine

A type of medication that blocks histamine receptors and is used to treat allergic reactions by reducing symptoms like nasal congestion, sneezing, or itching.

Histamine

Substance, produced by basophils in blood and mast cells in connective tissue, that causes capillaries to dilate.