Q 1. What is an advantage of a regression coefficient over a correlation coefficient? In other words, what can you get from a regression coefficient that you can’t from a correlation coefficient? 2. Thinking ahead: A regression coefficient is a statistic for which we can get a measure of statistical significance. If a regression coefficient is statistically significant, what is that telling us? What is the null hypothesis? 3. How is a regression line related to a regression equation?

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