In the example scatterplot of child reading score as a function of child IQ score the correlation coefficient r out out oot 06 Child s reading test score 40 0 0 09 05 OF of of 90 115 120 125 130 135 140 145 150 Child s IQ test score 95 100 105 110 O is noticeably affected by the outlier of the relationship O has a negative value indicating an inverse linear relationship between reading score and IQ score O is close to zero indicating a lack of association volue because of the nonlinear pattern