A study was done to investigate the relationship between student absences per semester and semester grades. The correlating linear model is shown below, where x represents the number of absences per semester, and y represents the semester grade [in points out of 100]. Interpret the slope.
A
Zero absences is associated with a grade of 87.
B
An additional absence is associated with a grade decrease of 1.4.
C
Zero absences is associated with a grade of 62.
D
An additional 1.4 absences is associated with a grade decrease of 1.
A
B
C
D