第一个数据来源的数据就有太明显问题，那些美国学生百分数加起来可是119%

Citizenship & Self-Reported Ethnicity*

U.S. Citizens & Permanent Residents Number of U.S. states represented: 47 Sovereign tribal nations: 11	92%
American Indian/Alaskan Native	3%
Asian American	37%
Black/African American	10%
Hispanic/Latinx	18%
Native Hawaiian/Pacific Islander	1%
White/Caucasian	49%
No Response	1%
International Citizens Number of countries represented: 54	8%

所有跟帖： 

• 有不少人报了两项以上？混血儿吧 -数与形- ♀ (0 bytes) () 08/27/2018 postreply 13:47:23

• mit专门做了解释： -蓝调- ♀ (1183 bytes) () 08/27/2018 postreply 19:45:31