An online retailer is trying to determine how positive reviews of items affect sales. The plot below shows the relationship between the number of positive reviews and the number of items sold. The linear regression output is shown below. 1500 . . I u i I I I ' . I. I g I I. . . m " - ' " aggression Statistics 5 Multiple 0 0.963133 3 risuuare 0.937202 4% m Adjusted ri Square 0.935042 2 Standard Error 30.00616 Observations 30 I} 11D 120 1:!!! 140 rum of puniivu minus R = X: 0.654321 $ What is the correlation between number of positive reviews and number of items sold? Piok v correlation m