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 Post subject: maximum possible mark
PostPosted: Thu Oct 18, 2012 5:23 pm 
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Joined: Thu Oct 18, 2012 5:16 pm
Posts: 3
Hi, I'd like to give my 11+ survivor a little reward based on his overall % of the standardised score.
In order to do this I would need to know the max possible std score.
Or, as i'm a bit thick today, would the result be the same as working out the overall % from the raw score data we actually get in the post.

Is it possible to know the max std overall score?


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PostPosted: Thu Oct 18, 2012 5:26 pm 
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Joined: Fri Jul 13, 2012 10:53 pm
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I've just read on another thread that someone thinks the highest score possible is 420. I boggled when I read that there were some candidates who scored in excess of 400!


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PostPosted: Thu Oct 18, 2012 5:31 pm 
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Thanks.. That's hard going on a ten year old.


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PostPosted: Thu Oct 18, 2012 5:50 pm 
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Joined: Fri Mar 04, 2011 12:41 pm
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Based on what I have seen...

The highest score for 2013 entry posted in these forums was 395.224.

The highest score posted in these forums in the past five years is 396.627.


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PostPosted: Thu Oct 18, 2012 5:56 pm 
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Joined: Thu Aug 25, 2011 12:35 pm
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Hi,


Just read on another thread that it was the CSSE who advised a forum member that a small number of children scored in excess of 400.


This is very worrying for me as I felt my son stood a reasonable chance of securing a place at KEGS (out of catchment) with a standardised score of 372.298


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PostPosted: Thu Oct 18, 2012 6:03 pm 
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Joined: Sat Dec 06, 2008 1:41 pm
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372 is a fantastic score.

Apply anyway. You have nothing to lose.


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PostPosted: Thu Oct 18, 2012 6:09 pm 
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It is meaningless to work out a % like this after the raw score has been standardised. Reward his effort not his score :D


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PostPosted: Thu Oct 18, 2012 6:30 pm 
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Joined: Fri Oct 12, 2007 12:42 pm
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Location: Chelmsford and pleased
Three standard deviations is said to represent 99.7% of a population. This equates to a score of 390. Only half the population is above the central point of 300, so 0.15% score above 390. Four standard deviations would be a score of 420, which includes 99.9% of the population.

0.15% represents 6 children out of the 4000 who took the exam, hence a bit pointless to go beyond a score of 390.


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PostPosted: Thu Oct 18, 2012 6:32 pm 
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Joined: Sat Sep 22, 2012 6:49 pm
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CardyMow wrote:
I've just read on another thread that someone thinks the highest score possible is 420. I boggled when I read that there were some candidates who scored in excess of 400!


Hi CardyMow,

In which thread you have read this ? Can you please post that thread here ?

Thanks in advance


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PostPosted: Thu Oct 18, 2012 7:00 pm 
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Joined: Sat Dec 06, 2008 1:41 pm
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moved wrote:
Three standard deviations is said to represent 99.7% of a population. This equates to a score of 390. Only half the population is above the central point of 300, so 0.15% score above 390. Four standard deviations would be a score of 420, which includes 99.9% of the population.

0.15% represents 6 children out of the 4000 who took the exam, hence a bit pointless to go beyond a score of 390.


Perhaps someone else should check with CSSE. Another further confirmation would be good :D I was just as surprised this year (and still am).


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