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Replies: 5   Last Post: May 8, 1997 12:02 PM

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Kevin Rees

Posts: 28
Registered: 12/6/04
Posted: May 7, 1997 4:03 PM
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My students echoed Paul's students. They thought the multiple choice was
much easier than expected, and that the free-response questions were also
very doable.
We came up with about three different block designs for #2 in class,
overall not a very difficult question.
#3 gave students who hadn't reviewed probability as much fits, and in my
opinion was the 'most' difficult of the free response (for the students).
My answers were a) .06894 and b) .71076.
#4 and #5 were pretty straight forward two sample problems, very much like
problems my students had had on tests the whole course.
On the Investigative task we had some interesting discussions about best
models. My students seemed to think (after placing the data in their
calculators) that the exponential model (the ln model in the problem) 'fit'
the data best, but most stated that a regression model on only cars from
the model year 1988 would be a better tool for studying the price (possibly
looking at milleage as the independent variable). Again lots of different
answers, with good explanations by the kids.

Overall, I too think it was a fair test, and am curiously and anxiously
awaiting the results in July.

Kevin Rees
The Hill School
Pottstown, PA

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