A Correlation Coefficient Shows That Smoking and Life Expectancy Are

question 269

Multiple Choice

A correlation coefficient shows that smoking and life expectancy are indeed related. As a result, a researcher could predict that ________ if the direction of the relationship is known.

• A) if a person smokes a lot of cigarettes, he or she will have less money monthly to buy gas
• B) the person's life expectancy will go up or down based on the number of cigarettes the person smokes daily
• C) if a person smokes cigarettes, he or she will eventually develop lung cancer
• D) a person's lungs will repair themselves and he or she will live a longer life

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Definitions:

Alzheimer's Disease

A progressive neurodegenerative disorder characterized by memory loss, cognitive impairment, and behavioral changes, predominantly affecting the elderly.

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure, beneficial for health and fitness.

Cognitive Activity

Mental processes involved in gaining knowledge and comprehension, including thinking, knowing, remembering, judging, and problem-solving.

Depression

A mood disorder causing a persistent feeling of sadness and loss of interest, affecting one's thinking, feeling, and handling of daily activities.