Record your responses to the following 6 questions in the Word document. 1) List (and label) the dependent variable and the independent variable. 2) Based on the regression results, if a county's percent of the population with at least a high school diploma increases by 1, by how much and in what direction does a county's Median Income change? 3) What is the predicted MedInc for a HSDegree of 70 percent? 4) What proportion of the variation in MedInc is explained by our regression model (explained by variation in HSDegree)? 5) Suppose you want to test for a statistically significant relationship between HSDegree and MedInc. Write down the null hypothesis and alternative hypothesis that incorporates the coefficient associated with HSDegree. 6) Calculate the 95% confidence interval for the HSDegree coefficient. Based on this confidence interv is there a statistically significant relationship between HSDegree and Medlnc? Here is a helpful link with an example of calculating a confidence interval for the slope: rva

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Q: question 5

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Q: Is this for question 2 or 3?

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