as for the use of t tables ... or any other ...
1. one issue is can the student USE the table ... that is, you specify some
from the table and you want to know if they can find it
2. another issue is what the student knows about what happens in the table
as df changes
3. another issue is whether the instructor, when wanting to have t problem,
HAS to have the entire table there ... why not just put a few selected
values .... some right, some wrong ... that should be sufficient
4. there ARE ways to have a t table large enough to be seen by a whole
class ... sensible sized class that is
5. there is always the situation of knowing that a t of approximately 2
will get you results that are close
6. tell em to bring in a 3 by 5 card ... i have done it for years ... and
tell em to put anything on it they want ... they might put a few CVs on it
... as guidelines
7. #1 is not the same as seeing if a student can work through a t interval
problem and/or do a t test ... yes, that does involve a t table value but,
much more too
personally, i don't see what the big deal is in this regard
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