It is believed that standardized test scores, such as SAT, is agood predictor of first-year college students' GPA. x 1200 11201000 1420 1280 750 1100 y 3.2 2.5 2.7 3.5 2.9 2.2 2.3 1. Find thethe correlation coefficient. Round your final answer to fourdecimal places. r = 2. Write the regression equation below. Roundall numbers to four decimal places. ˆy = 3. Using the data shownabove, predict a student's first-year GPA when the student scores a1275 on the SAT. Round your final answer to two decimal places. 4.What percentage of variation in GPAs can be explained by students'SAT scores? Round your final answer to two decimal places. %
