Question 7 Many people believe that there is a negative relationship between the amount of time students play vi games each week and their GPA. X 10 3 0 2 5 4 1.5 2.4 3.2 3.5 2.7 3 2. 1 1. Find the the correlation coefficient. Round your final answer to four decimal places. r = 2. Write the regression equation below. Round all numbers to four decimal places. y 3. Using the data shown above, predict a student's GPA when the student plays video games for 15 hour each week. Round your final answer to two decimal places. 4. What percentage of variation in GPAs can be explained by the number of hours students' play video games each week? Round your final answer to two decimal places. % Question Help: Message instructor Check Answer O CHOO