Do students who were born outside the USA have a higher mean GPA than students who were born in in the USA?

Do students who were born outside the USA have a higher mean GPA than students who were born in in the USA?
2. Do students who were born outside the USA spend more time on their homework than students who were born in the USA?
3. Do students who were born outside the USA have a higher mean age than students who were born in the USA?