A Correlation Coefficient Shows That Smoking and Life Expectancy Are

question 239

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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