Standardising Scores

Author:
Mr Malkin
Take a look at the data below. In which test did Amy perform better?
StudentHistoryScience
Amy5357
Bertie6548
Charlie6887
Dan4950
Edith5889
Fran72100
Gary3928
Herbert 5762
Issy5440
Jill 6296
Karen5580
Leon4015
Marty6293
Norbert6497
Othello473
StudentHistoryScience
All the scores are plotted on number lines below, along with the class means. Play with the sliders; they may help you to come up with your answer.