A Regression Analysis of Hours Spent Exercising and Ounces of Weight

question 27

Multiple Choice

A regression analysis of hours spent exercising and ounces of weight loss had a slope of 3. We would predict that

• A) for every 1 hour of exercise, a person would lose 3 ounces of weight.
• B) for every ounce lost, a person has to exercise for 7 hours.
• C) every hour of exercise would have no effect on weight.
• D) The slope cannot be used to make predictions, you need the intercept.

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Definitions:

Viral

Refers to viruses and their role in causing infections or diseases.

COPD

Chronic Obstructive Pulmonary Disease, a group of lung conditions, including emphysema and chronic bronchitis, that block airflow and make it difficult to breathe.

Legionnaire's Disease

A lung infection caused by Legionella bacteria, often spread through inhaling mist from water sources containing the bacteria.

Pleurisy

An inflammation of the pleura, the membrane that lines the chest cavity and surrounds the lungs, causing sharp chest pain with breathing.