Final answer:
It is not possible to determine which group would have the highest GPA from the information provided.
Step-by-step explanation:
In this scenario, Kylie plans to assess the need for achievement among a sample of college seniors, and then examine their GPAs at the end of the year. Based on the given information, it is not possible to determine which group would have the highest GPA. The need for achievement does not necessarily correlate with academic performance. Therefore, it is not possible to determine which group would have the highest GPA from the information provided.