Find the regression equation, letting the diameter be the predictor (x) variable. Find the best predicted circumference of a beachball with a diameter of 45.1 cm. How does the result compare to the actual circumference of 141.7 cm? Use a significance level of 0.05. Baseball Basketball Golf Soccer Tennis Ping-Pong Volleyball Diameter 7.3 23.5 4.4 21.6 7.1 4.0 21.5 Circumference 22.9 73.8 13.8 67.9 22.3 12.6 67.5 Click the icon to view the critical values of the Pearson correlation coefficient r. ..... The regression equation is y = +x (Round to five decimal places as needed.) CTICE