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November 05, 2025, 07:56:01 am
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Author Topic: Q3 on core?????  (Read 2195 times)  Share 

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superstar1

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Q3 on core?????
« on: November 01, 2010, 02:58:32 pm »
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Is there a chance that VCAA may accept C or B. Personally i wrote C. i hope they accept it.
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Gobon

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Re: Q3 on core?????
« Reply #1 on: November 01, 2010, 03:27:55 pm »
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I doubt it but I put C too. How could it be B?
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_avO

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Re: Q3 on core?????
« Reply #2 on: November 01, 2010, 03:28:27 pm »
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I'm guessing if they find it to be too ambiguous they will reward B and C a mark, otherwise everyone gets a mark
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vexx

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Re: Q3 on core?????
« Reply #3 on: November 01, 2010, 03:29:36 pm »
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^ nahh it can't be C because they didn't ask to estimate, they asked to calculate the value using the 68-95-97 rule, they wanted more accuracy using the information in the histogram to get about ~2
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2010 VCE: psychology | english language | methods cas | further | chemistry | physical ed | uni chemistry || ATAR: 97.40 ||

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_avO

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Re: Q3 on core?????
« Reply #4 on: November 01, 2010, 03:32:13 pm »
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Yea my thought process was the same thats why I chose B, and logically the remaining 0.3% (100-99.7%) will be missing if Sx was 3
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johsephhh_

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Re: Q3 on core?????
« Reply #5 on: November 01, 2010, 03:33:49 pm »
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Ok guys i Put C As the S.D can be found by dividing the range by 4 i hope that clears things up :)
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stonecold

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Re: Q3 on core?????
« Reply #6 on: November 01, 2010, 03:55:39 pm »
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Yeah, definitely B guys...
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superstar1

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Re: Q3 on core?????
« Reply #7 on: November 01, 2010, 03:56:53 pm »
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r u serious??
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stonecold

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Re: Q3 on core?????
« Reply #8 on: November 01, 2010, 03:58:32 pm »
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No way they will take C.  They explicitly told you what method to use in the stem.

Hence the range/4 answer is wrong.  It is only an estimate anyway, and a bad one at that...
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2011-13: BBiomed (Microbiology & Immunology Major) @ UniMelb


VCE 2009'10: English 46 | English Language 49 | Chemistry 50 | Biology 50 | Further Mathematics 48 | Mathematical Methods CAS 39
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"Failure is not when one falls down but rather when one fails to get up" - unknown

_avO

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Re: Q3 on core?????
« Reply #9 on: November 01, 2010, 03:59:42 pm »
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True they stated the method therefore only one method is accepted being the bell curve rule
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stonecold

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Re: Q3 on core?????
« Reply #10 on: November 01, 2010, 04:02:09 pm »
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Whoever came up with that rule, I dunno, it is just dumb.

Really should be range/6 as 3 s.d.'s either side of the mean has almost all of the data...
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2011-13: BBiomed (Microbiology & Immunology Major) @ UniMelb


VCE 2009'10: English 46 | English Language 49 | Chemistry 50 | Biology 50 | Further Mathematics 48 | Mathematical Methods CAS 39
ATAR: 99.85

"Failure is not when one falls down but rather when one fails to get up" - unknown

_avO

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Re: Q3 on core?????
« Reply #11 on: November 01, 2010, 04:03:07 pm »
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Range/8 would even be a better rule as it consists of 100% of the data as opposed to 99.7%
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menashiiii

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Re: Q3 on core?????
« Reply #12 on: November 01, 2010, 04:05:07 pm »
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far out
got D....
used calc
fml
goodbye 45+
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Dawson

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Re: Q3 on core?????
« Reply #13 on: November 01, 2010, 06:35:35 pm »
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it better be B guys !!!
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kasidji

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Re: Q3 on core?????
« Reply #14 on: November 01, 2010, 06:41:24 pm »
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I put C, and I'm not sure about it. If it's true that it's B then I got 34/40. FML.
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