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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
Recent research suggests that depression significantly increases the risk of developing dementia later in life (BBC News, July 6 , 2010). In a study involving 949 elderly persons, it was reported that 22% of those who had depression went on to develop dementia, compared to only 17% of those who did not have depression.
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a. Describe the relevant population and the sample.
b. Do the numbers 22% and 17% represent the population parameters or the sample statistics?
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