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**Unformatted text preview: **deviation of Y. To obtain column 7, multiply the numbers in column 3 by column 5. Recall: . Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 Country Sugar Consumpti on (X) Depression Rate (Y) ()() Korea 150 2.3 US 300 3.0 France 350 4.4 Germany 375 5.0 Canada 390 5.2 New Zealand 480 5.7 Sum= Sum= Sum= b. Is it reasonable to conclude that increasing sugar consumption leads to higher rates of depression? Explain. c. Do you have any concerns about this study that would make you hesitant to generalize these conclusions to other countries? 2. Match the graphs to the correlations. r = 0 r = + 0.3 r = – 0.5 r = – 0.7 r = + 0.9 r = 0...

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- Spring '14
- Vidovic
- Economics, Correlation Coefficient, Correlation and dependence, Pearson product-moment correlation coefficient, Hebrew numerals, Spearman's rank correlation coefficient