(Answered) Question according to the associated press june 19 1998

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Question: According to the Associated Press (June 19, 1998), "Smokers are twice as likely as lifetime nonsmokers to develop Alzheimer's disease and other forms of dementia [according to a study that] followed 6,870 men and women ages 55 and older." For this situation, specify what variables were measured on each individual and whether they are best described as categorical, ordinal, or quantitative.

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