Sixteen students in their final year of undergraduate studies completed a class to prepare for the GRE (Graduate Record Examination). The table below reports numerical scores for the GRE exam in terms of the percentage of correct answers for the test.

GRE Scores: 420 345 560 650 459 499 500 657 467 480 505 555 480 520 530 689

Display each of these variables in a frequency distribution with columns for percentages and cumulative percentages. (n should equal 16 and the sum for the cumulative percentages should be a 100%)