Fifty test scores
There are 50 test scores. Press 
, 
, 
. Each score is followed by its frequency. For 1 score of 20: 20, 
, 1, 
. For 3 scores of 30: 30, , 3, . For 5 scores of 40: 40, , 5, . For 8 scores of 50: 50, , 8, . For 13 scores of 60: 60, , 13, . For 10 scores of 70: 70, , 10, . For 7 scores of 80: 80, , 7, . For 3 scores of 90: 90, , 3, . The 
closes the table: 0..