Experimental Design B/C

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Re: Experimental Design B/C

Post by dirtisfun » November 13th, 2010, 6:20 am

So I am new to Division C and I don't know what the statistics and stuff we need. HELP ME

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Re: Experimental Design B/C

Post by Phenylethylamine » November 13th, 2010, 2:13 pm

dirtisfun wrote:So I am new to Division C and I don't know what the statistics and stuff we need. HELP ME
The 2011 scoring rubric can be downloaded here. If you have more specific questions after reading it, feel free to ask.
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Re: Experimental Design B/C

Post by zyzzyva980 » November 13th, 2010, 2:50 pm

Got second today in ExpDesign, mainly due to omission of regression. Is there a way to calculate this without a graphing calculator?
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Re: Experimental Design B/C

Post by quizbowl » November 13th, 2010, 2:51 pm

zyzzyva98 wrote:Got second today in ExpDesign, mainly due to omission of regression. Is there a way to calculate this without a graphing calculator?
I may be wrong, but I think that the STAT mode on a Ti30 works can give you that.

EDIT: You can make it by just graphing the points, drawing a best fit line and calculating the slope and y intercept of the line.
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Re: Experimental Design B/C

Post by zyzzyva980 » November 13th, 2010, 2:56 pm

Yeah, it's been awhile since I've fiddled around with a TI-30X. And I had the slope/y-intercept, but I'm not sure what to do after that.
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Re: Experimental Design B/C

Post by 49ers » November 16th, 2010, 6:40 am

Is there really a way to prepare for this event? I am also new to this event and am trying to figure out how to prepare.
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Re: Experimental Design B/C

Post by littlea53 » November 16th, 2010, 8:05 am

49ers wrote:Is there really a way to prepare for this event? I am also new to this event and am trying to figure out how to prepare.
What my team is doing is doing random experiments while we use the rubric to see how we did.
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Re: Experimental Design B/C

Post by zyzzyva980 » November 16th, 2010, 5:38 pm

Just make sure you have the rubric down and have everything well-planned out so you know what everyone is doing as you go in. It would help to have a few set experiments for certain materials, and you can hone those to perfection.
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Re: Experimental Design B/C

Post by tclme elmo » November 20th, 2010, 11:18 am

There are practice tests on the wiki.
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Re: Experimental Design B/C

Post by quizbowl » November 20th, 2010, 11:28 am

Are the majority of the experiments usually physics related?
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