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Offline Gregory

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ATAR Standard Deviation 2011
« on: January 17, 2012, 01:45:32 PM »
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The median ATAR for 2011 was 69.25, what was standard deviation>?

This table shows the number of students receiving each ATAR from 99.95 to 99.00 and the number
corresponding to the stated ATAR ranges down to 30.00–30.95

- http://www.uac.edu.au/documents/atar/2011_HSC_Table%20A7.pdf

Cheers
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ATAR Standard Deviation 2011
« on: January 17, 2012, 01:45:32 PM »

Offline Panicmode

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Re: ATAR Standard Deviation 2011
« Reply #1 on: January 17, 2012, 01:50:53 PM »
+3
It says NSW on this.... are you sure this is applicable to Victoria?
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Offline Gregory

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Re: ATAR Standard Deviation 2011
« Reply #2 on: January 17, 2012, 02:38:42 PM »
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yes
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Online funkyducky

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Re: ATAR Standard Deviation 2011
« Reply #3 on: January 17, 2012, 04:05:01 PM »
+3
The ATAR is a percentile ranking, not a normal distribution, so there is no standard deviation.
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Offline Rohitpi

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Re: ATAR Standard Deviation 2011
« Reply #4 on: January 17, 2012, 04:11:49 PM »
+1
Quote from: funkyducky on January 17, 2012, 04:05:01 PM
The ATAR is a percentile ranking, not a normal distribution, so there is no standard deviation.

+1, only study scores have a standard deviation
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Offline Special At Specialist

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Re: ATAR Standard Deviation 2011
« Reply #5 on: January 23, 2012, 11:47:10 AM »
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Well what is the standard deviation for each study score?
I'm guessing it would be around 6-7, but not completely sure.
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Offline Rohitpi

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Re: ATAR Standard Deviation 2011
« Reply #6 on: January 24, 2012, 10:11:06 AM »
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The mean is 30 and the standard deviation is 7 :)
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