Consider a least squares regression line Y = .5X +2+e, and where X and e are independent
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Consider a least squares regression line Y = .5X +2+e, and where X and e are independent and both have a standard normal distribution. What happens to the correlation between X and Y if instead Y = .5X +2+2e? Hint: What happens to the residuals?
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Related Book For 
Basic Statistics Understanding Conventional Methods And Modern Insights
ISBN: 9780195315103
1st Edition
Authors: Rand R. Wilcox
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