WT April 15, 2008 p. 22, par. 10:
In a recent survey in the United States, 75 percent of all first-year university students described their principal goal in life as being "financially very well off".
Actually, they didn't. http://www.census.gov/prod/2007pubs/08statab/educ.pdf
Page 179, table 278: The Census Bureau wanted to see how importat financial success and a couple of other things are to teenage students. Of course, all students weren't asked, it's only a representative sample. Anyhow, the teenagers were asked how important it is to them to be financially very well off, how important it is to them to develop a meaningful philosophy of life, and how important it is to keep up to date with political affairs.
Not surprisingly, in 2005 approximately 75 % of the teenage students wanted to be rich ("very important" or "essential"). Also, 45 % of them wanted to develop a meaningful philosophy of life, and 36 % wanted to keep ut to date with political affairs.
This does not mean that 75 % of the students described their principal goal in life as being "financially very well off". If so, then we'd also have to say that in addition to these 75 %, there are 45 % whose principal goal is to develop a meaningful philosophy of life, while for 36 % the principal goal is to keep up to date with political affairs. That's 156 % alltogether.
Of course, the survey didn't ask them about the principal goal of life. It ony asked them how they relate to these three isolated objectives. I'm pretty sure that if they had included a question about how important it is to have a boyfriend/girlfriend, that would be "very important or essential" to even more than 75 % of the students.
Edited to add: If I ask any young person about the importance of developing a meaningful philosophy of life, I'd be delighted if they understood the question. The fact that 45 % responded that it's "very important" or "essential" is astonishing.