what raw mark needed in ext. exam to get >90 in ext. exam? (1 Viewer)

mercedes

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??

For example for 2002 mathematics exam:

/120, how many raw marks do you need to get you an external exam mark of over 90?
 

sukiyaki

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less then 12 wrong?
meaing 108/120 okay im not too sure what you mean be raw mark =/
 

flyin'

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I reckon 90+ out of 120 should get you on the merit list for Mathematics.
 

Affinity

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probably the scaled mark for UAI aggregate

Hmm.. around 90/100 raw for 90/100 scaled, for most of the good scaling subjects the top raw marks are scaled marks are approximately the same.
 

flyin'

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But don't forget... from memory about 20% of candidature for Mathematics (2 unit) were given a HSC mark of 90+.
 

mercedes

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So if you are in a selective high school, with approximately 3 4unit classes every year - you can pretty much get band 6 in 2unit easier than saying a-b-c?

I just don't get it.

Why do smart people tend to do 4unit maths when in fact they only need 3unit maths to fill in the 10units?

e.g.

EXT 1 MATHS = 3 units
EXT 1 ENGLISH = 3 units
Physics = 2 units
Economics = 2units

=========== 10 units

Now, why would someone opt for an extra unit of EXT 1 maths to push it to EXT 2, when in fact it is 60% more work, and a smart maths student would almost guarantee a band 6 in 2unit + 3unit maths, if they could get a E4 in 4u maths,.
 

flyin'

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Because of the scaling benefits...

Consider if person A only does 3 units (Ext1). Then they'll only be doing the 2 (which counts 2) and 3 (which counts 1) unit courses. This means (generally) they won't be as proficient as a 4 unit student when it comes to the 3 unit paper because doing 4 unit greatly improves your mathematical ability when it comes to 3 unit.

And you might ask, so what? Well, 3 unit scaling depends on 3 unit candidate's performances in 2 unit... and 4 unit scaling depends on 4 unit candidate's performance in 3 unit (in terms of scaling by UAC for the UAI).

And also, if you work enough, you have 4 very very strong units. And more likely then not, people are going to do (noticably) worse in 1 of their 5 or 4 subjects. So only counting 1 of those units will help with their UAI.

===

The Band6 given by BOS is practically a joke because they aren't indicative of the great scaling disparity between Mathematics, Ext1 and Ext2.

===

Now consider the same person A did 4 unit (Ext2). Then they'd have 3 units and 4 units counting 2 units each. They'd achieve a higher scaled mark (if they work, of course) in 3 unit and 4 unit, then compared with their performances had they stuck with just 3 units.

The more time you spend on Math, theoretically you improve, and you're performances at lower levels will be better. I mean, if you're doing 3 unit and you compare your 2 unit performances with people who are just doing 2 unit, you'll notice the difference, in general. The same for 4 unit.

Hope that answers your question. :)
 

Affinity

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statistics shown that students doing 12 units perform consistently better than those doing 10,11 or 13. and hey, some of us actually do maths for the sake of doing it too :p
 
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