Math 1 Quiz
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STATISTICS & PROBABILITY
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An economist analyzes the relationship between two economic indicators using different time periods. Period 1 (2010-2015): r=0.78, n=72 monthly observations. Period 2 (2016-2021): r=0.82, n=72 monthly observations. When comparing these relationships to determine which period shows a more reliable economic relationship, what additional information would be most critical?
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