The Most Uneven Student

Difficulty: Easy · Topics: Probability, Statistics, Standard Deviation

The table shows five students' scores in three maths exams.

Student Exam I Exam II Exam III --- --- --- --- Ali 40 50 90 Eda 60 60 60 Kerem 30 40 30 Naz 80 70 70 Cemre 90 90 85

Whose scores have the largest standard deviation?