Question

14 points) College Graduation Rates. Data from the College Rosults Online wobsite compared the 201 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 caiculated results to 3 declimal places Greduation Rate by Median SAT 100010012001300 MdSAT 2, and ? ? 1. The relationship between median SAT score and graduation rate is ? 2. The explanatory variable is ? The summary statistics for graduation rate and median SAT score are listed below. The correlation between Median SAT score: mean 1034, standard deviation 79.5 Graduation rate: mean 48, standard deviation 13.7 3. The equation of the regression line is y and the response variable is 0.665. Complete the following sentence to interpret the slope of the regression line: An increase of in Median SAT score corresponds to a/an 2 of in Graduation Rate 5. The recorded median SAT score for Northern Michigan is 1027. Use the regression equation to estimate the graduation rate for Northern Michigan University 6. The recorded graduation rate for Northern Michigan U The residual for Northern Michigan University is . This means the graduation rate at Northern Michigan University is A. higher than B. the same as C. lower than the rate by the regression model

Answer 1