Two students, Ruth and William, want to find out who has the higher GPA when compared to each of their schools. Ruth has a GPA of 3.7 , and her school has a mean GPA of 3.0 and a standard deviation of 0.4 . William has a GPA of 3.75 , and his school has a mean of 3.2 and a standard deviation of 0.5 . Who has the higher GPA when compared to each of their schools?