The scatter plot shows the relationship between the number of homework assignments turned in over a week and the test score for that same week:
a scatter plot is shown. the x-axis is labeled homework assignments submitted and the y-axis is labeled test score. data points are located at 1 and 30, 2 and 70, 2 and 75, 3 and 80, 5 and 100, 4 and 100, 4 and 90, 5 and 95, and 1 and 60. a circle labeled x surrounds all of the points except 1 and 30. the point 1 and 30 is labeled y.
part a: what is the group of points labeled x called? what is the point labeled y called? give a possible reason for the presence of point y. (3 points)
part b: describe the association between a student’s test scores and the number of homework assignments submitted. (2 points)