Tests R Us makes aptitude tests for various business conditions. It has recently created a new test for management trainees. The test was given to 12 randomly chosen management trainees at Company X. After a year, the trainees were evaluated pursuant to Company X's evaluation policy and given a score by their supervisor. The results are recorded in table below.
Aptitude Score Supervisors Grade
84 76
79 75
92 81
53 72
65 68
82 88
87 79
75 81
77 70
76 83
69 62
88 86
1. Discuss which variable is the dependent variable and why.