A college admissions officer is tracking the relationship between students verbal SAT scores, and their first-year grade point average (GPA). The data for the first 10 students appears below. Graph the scatterplot and determine whether there is a negative or positive correlation. Determine whether the magnitude of the correlation is low, moderate or high. What prevents the pattern from being very close to perfect?
SAT | GPA
510 | 2.1
620 | 3.8
400 | 2.2
480 | 3.1
580 | 3.9
430 | 2.4
530 | 3.6
680 | 3.5
420 | 3.3
570 | 3.4