ExtraCredit-09: Problem 3 Problem Value: 1 point(s). Problem Score: 0%. Attempts Remaining: Unlimited. (1 point) College Graduation Rates. Data from the College Results Online website compared the 2011 graduation rate and median SAT score for 92 similar-sized public universities and colleges in the United States. The scatterplot below shows the relationship between these two variables along with the least squares fit. Round all calculated results to 4 decimal places. Graduation Rate by Median SAT 90 80 70 60 Graduation Rate 40 50 30 900 1000 1 100 1200 1300 Median SAT 1. The relationship between median SAT score and graduation rate is ? v . ? v, and ? 2. The explanatory variable is ? and the response variable is ? The summary statistics for graduation rate and median SAT score are listed below. The correlation between graduation rate and median SAT score is 0.659. Median SAT score: mean = 1031.1, standard deviation = 80.4 Graduation rate: mean = 51.2, standard deviation = 13.9 3. The equation of the regression line is y = 4. Complete the following sentence to interpret the slope of the regression line: An increase of in Median SAT score corresponds to a/an ? of in Graduation Rate. 6. The recorded median SAT score for Northern Michigan University is 1034. Use the regression equation to estimate the graduation rate for Northern Michigan University. 6. The recorded graduation rate for Northern Michigan University is 47.5. Complete the following sentence. The residual for Northern Michigan University is This means the graduation rate at Northern Michigan University is