2 ms·

Sample size: 300 across four countries. There are 20 million college students in the US alone. I don't think that is a large enough sample size.

• Retra 12y ago
  With those numbers, that's about a 5.5% error margin at a 95% confidence level.
  • SixSigma 12y ago
    Assuming the same rate of higher education in Europe, that's another 20m.