Use the following to answer questions 10-12: Student Test Grade Study Time (hours/wk) 1 88 6 84 3 76 4 73 4 5 99 6 69 7 56 8 79 9 9 66 10 89 11 96 12 62 5 13 66 4 14 74 15 75 Co 16 96 17 98 5 18 62 4 19 87 20 99 7 10) The data relates to the relationship between students' grade and study time. Which is the dependent variable? a. They are both axial variables b. Study Time C. Test grade d. No relationship