Survey a Local News Station Wants to Know What Percentage

question 59

Essay

Survey. A local news station wants to know what percentage of people favor investing in new public light-rail system for the city. They conduct a survey, calling homes between
10:00 a.m. and 3:00 p.m. Explain why this sampling plan is biased.

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Definitions:

Bronchial Constriction

The narrowing of the bronchi in the lungs due to the tightening of surrounding smooth muscle, leading to difficulty breathing.

Pulmonary Emphysema

A long-term, progressive disease of the lungs that primarily causes shortness of breath due to over-inflation of the air sacs (alveoli) in the lungs.

Chronic Obstructive Pulmonary Disease

A group of lung conditions that cause breathing difficulties, including emphysema and chronic bronchitis.

Diving Reflex

A group of physiological mechanisms, such as decrease in metabolic rate, that are activated when a mammal dives to its limit.