The table below is a result of a study for 3 000 students at Penn State University Students were grouped into two groups skipped many classes and skipped a few classes The researchers took 5 SRS s and found their average GPA GPA for a Few Classes Skipped 3 5 3 2 3 0 3 3 3 6 GPA for Many Classes Skipped 3 4 2 9 2 5 3 0 2 75 Difference 0 1 0 3 0 5 0 3 0 85 After finding the differences between the GPA GPA for Few Classes Skipped GPA for Many Classes Skipped what conclusion can you make from the table Since all of the differences were small we cannot conclude that on average skipping many classes affects GPA Since all of the differences were positive we can conclude that on average students that skip less classes have a higher GPA than students who skip many classes No conclusion can be made from the table More data needs to be collected Since all the differences were negative we can conclude that on average students that skip less classes have a lower GPA than students that skip many classes