HALLDENNIS654IN HALLDENNIS654IN Mathematics Answered Use the regression calculator to compare students' grade point averages (GPAs) based on their IQ scores. IQ 115 84 111 120 105 98 96 88 GPA 3.4 2.1 3.1 3.8 2.8 2.6 3 2.7 | The trend line shows correlation. The equation of the trend line is