Dr. Gallagher,
I'm pleased that my post about the TI-83 was helpful. Your postings
(and those of others) on the problem with MCAS have been both
enlightening and disturbing. I'm going to use the MCAS as an
example of what can go wrong with a test. Also, this discussion has
inspired me (and hope
Dr. Mecklin,
Thanks so much for your post about the TI83 calculator. On a hunch, I looked at the MCAS instructions page. The boxplot problem was asked in Section 3 of the 3-d test, and in the final 2 sections, students were encouraged to bring their graphing calculators. The MCAS test writers s
