https://projects.dailyprincetonian.com/frosh-survey-24/academics.html
注意 it is self reported with a survey reporting size of 737
2024 class size is 1146 (Degree-Seeking First-Time First Year). 这个情况如果95% confidence interval是不是错误率小于2%?
https://registrar.princeton.edu/sites/g/files/toruqf136/files/documents/CDS_2020-2021.pdf
