Good evening beloved tutors please help me to answer this??? I would appreciate if there is explanation so that I can follow through to the possible answer.

C. Directions: Compare the scores of 10 selected students in the 8 subjects offered as to:Geography, History, Arabic, Philosophy, Physics, Geometry, Algebra and Chemistry. Interpret the result of coefficient of variations. S.ID Geography History Arabic Philosophy Physics Geometry Algebray Chemistry 10001 90 77 73 81 85 83 92 91 10002 89 80 78 82 90 90 80 93 10003 89 78 80 85 85 90 91 92 10004 79 88 91 79 89 86 89 79 10005 89 69 74 85 87 90 91 92 10006 91 76 72 80 84 82 91 90 10007 69 80 77 68 80 90 72 88 10008 92 79 79 83 86 87 90 92 10009 80 88 90 78 79 90 87 90 10010 91 88 79 80 79 78 87 89