Three students were applying to the same graduate school. They came from schools with different grading systems. Student GPA School Average GPA School Standard Deviation Thuy 2.9 3.2 0.8 Vichet Kamala 81 8.7 75 8 20 0.4 Which student had the best GPA when compared to other students at his school? Explain how you determined your answer. (Enter your standard deviation to two decimal places.) Kamala had the best GPA compared to other students at his school, since his GPA is 1.25 x standard deviations above his school's average GPA.