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Topic: #27,31 MathB
Replies: 6   Last Post: Jun 23, 2008 11:18 PM

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Posts: 30
Registered: 6/9/05
#27,31 MathB
Posted: Jun 19, 2008 6:59 PM
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Looking at the rubric for #27, 3 points for no substitution shown to
get 112.5. If they have the regression equation in Y1, they can use the
calculator to find their answer.I don't think they need to show the
substitution. And...what does everyone think of #31? I'm not happy,
especially because it is 4 points.

Diane O'Neill

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