Tests don't always offer right answers

Jay Matthews:

Politicians and pundits are using results from the Programme for International Student Assessment (PISA) tests to say our kids are falling behind the rest of the world, so maybe we should get some PISA practice. Brookings Institution scholar Tom Loveless, a member of the U.S. advisory board to PISA, offered this sample question for 15-year-olds from the mathematics literacy section of the exam:

For a rock concert a rectangular field of size 100m by 50m was reserved for the audience. The concert was completely sold out and the field was full with all the fans standing. Which one of the following is likely to be the best estimate of the total number of people attending the concert?

Posted by Jim Zellmer at October 19, 2009 5:23 AM
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