(top left) Distribution of Attendance points (total)
(top right) Distribution of Homework points (total)
(bott left) Distribution of Exam 1 points
(bott right) Distribution of Total points (with grades to date)

Take note from these plots... those with 85 and above (A grades) on Exam 1 ALL have 8-10 attendance points and more than 70 HW points total. There is a strong correlation between Exam grades of A with attendance and HW scores.