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April 18, 2024, 12:51:19 pm

Author Topic: {SAC RANKINGS} -All you need to know about it-  (Read 171832 times)  Share 

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iNT

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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #60 on: July 02, 2015, 09:44:09 pm »
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Yeah, but not for rank 1. They'd get 100 for SACs.

So this is what happens -

SACS -

Rank 1 = 100%
Rank 2 = 95%
Rank 3 = 90%

Exams -

Rank 1 = 60%
Rank 2= 55%
Rank 3 = 95%

its goes the end result to=

rank 1 = 160/200
rank 2 = 150/200
rank 3 =  185/200

say the weighting is 50/50

but the sacs go down for 2 and 3

so rank 1 = 160/200
rank 2 = 140/200
rank 3 = 170/200

is that what happens?  :o
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thaaanyan

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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #61 on: July 02, 2015, 10:15:36 pm »
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Rank 1 bombs out on Exam and gets 68/100
Rank 2 bombs out on Exam and gets 62/100

Rank 3 (you) aces the Exam and gets 100/100
Assuming 4&5 get something like 80/100

End score: 50/50 weighting

Rank 1: 68+100= 168/200
R2: 62+80=142/200
R3: 100 + 80=180/200

As you can see, you outperform both of them :)


Ah thank you! I just thought that sac marks for two/three/rest of cohort would be moderated down, so rank 1's mark would be the highest still; but i think iNT also clarified this. Thank you very much guys, I appreciate it! :) :)

grannysmith

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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #62 on: July 02, 2015, 10:23:22 pm »
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So this is what happens -

SACS -

Rank 1 = 100%
Rank 2 = 95%
Rank 3 = 90%

Exams -

Rank 1 = 60%
Rank 2= 55%
Rank 3 = 95%

its goes the end result to=

rank 1 = 160/200
rank 2 = 150/200
rank 3 =  185/200

say the weighting is 50/50

but the sacs go down for 2 and 3

so rank 1 = 160/200
rank 2 = 140/200
rank 3 = 170/200

is that what happens?  :o
Yep, that's the idea. However, rank 2 and 3 might get a lower or higher moderated SAC mark. Also note that when stating exam percentages, we're really only interested in the weighted percentage and not the raw % itself. That's because getting, say, 60/120 in an exam could put you in the 90%ile of students if the exam was extremely difficult.

Orb

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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #63 on: July 03, 2015, 08:17:33 pm »
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Yep, that's the idea. However, rank 2 and 3 might get a lower or higher moderated SAC mark. Also note that when stating exam percentages, we're really only interested in the weighted percentage and not the raw % itself. That's because getting, say, 60/120 in an exam could put you in the 90%ile of students if the exam was extremely difficult.

Moderation is a bit of an 'iffy' issue from past experience (statements of marks). Below is a largely true story with grades just modified for the sake of preserving identity.

A student (let's call him Bob) did very badly for his exam and got a C for his exam. He was rank 5 in a high ranking cohort for German which should've meant that he gets an A/A+ from his SAC performance. He performed equivalent to the guys that were rank 30-ish.
What happened, though, was that the other students picked up the slack so his rank 5 SAC score scaled to 50/50 for both Units 3 and 4, and his SAC scores should've been moderated, but didn't happen.
His exam score was a meagre 270/400 in comparison.
Ended up with a high 30s study score even though the exam was equivalent to a very low 30s score.

Technically speaking, moderation should occur, but if not many students perform badly they probably won't.

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odeaa

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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #64 on: July 13, 2015, 06:59:52 pm »
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What happens if too many people ace the exam? I was just looking at a physics assessors report where 25 people got full marks (not sure exactly but I don't think there are 25 50's for physics), and I assume they would all be rank 1. It was when they had mid year exams, so they would just make the end of years harder I guess, but theoretically what would happen now if they made an exam a bit too easy?
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Orb

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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #65 on: July 13, 2015, 08:32:41 pm »
+1
What happens if too many people ace the exam? I was just looking at a physics assessors report where 25 people got full marks (not sure exactly but I don't think there are 25 50's for physics), and I assume they would all be rank 1. It was when they had mid year exams, so they would just make the end of years harder I guess, but theoretically what would happen now if they made an exam a bit too easy?

If all full-marked and were rank 1, they all get 50

Less people would get 49s and 48s to balance it out.

Afaik it hasn't happened for a major subject yet
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Glasses

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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #66 on: July 13, 2015, 09:19:57 pm »
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Hamo, is it possible for someone to still obtain a 40+ study score if they are rank 2/10 for unit 3 [GA 1 80/100] (in a fairly average cohort), and if they do well in Unit 4 and well in the exam (like 85%+)? - I know that technically, anything can happen, but truthfully, what is the likelihood of this happening?
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Zealous

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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #67 on: July 13, 2015, 10:55:23 pm »
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Hamo, is it possible for someone to still obtain a 40+ study score if they are rank 2/10 for unit 3 [GA 1 80/100] (in a fairly average cohort), and if they do well in Unit 4 and well in the exam (like 85%+)? - I know that technically, anything can happen, but truthfully, what is the likelihood of this happening?

Yep definitely. The exams are worth at least 50% so if you have a fairly high SAC score you're all set for a 40+. You'd be surprised at how good SAC scaling is so don't freak too much about the 80/100. I wasn't even rank 1 in English Language but my SACs scaled to A+ somehow despite not getting an A+ in the exam... ???
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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #68 on: July 14, 2015, 06:20:46 pm »
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Hamo, is it possible for someone to still obtain a 40+ study score if they are rank 2/10 for unit 3 [GA 1 80/100] (in a fairly average cohort), and if they do well in Unit 4 and well in the exam (like 85%+)? - I know that technically, anything can happen, but truthfully, what is the likelihood of this happening?

Yeah, happened with me last year.

Completely f*cked unit 3 and still managed to get a 42.

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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #69 on: July 14, 2015, 08:50:11 pm »
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Yeah, happened with me last year.

Completely f*cked unit 3 and still managed to get a 42.

Can I ask what your average and ranking was for unit 3? And what subject was and how strong was your cohort?

Thanks!
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dankfrank420

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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #70 on: July 14, 2015, 09:50:56 pm »
+1
Can I ask what your average and ranking was for unit 3? And what subject was and how strong was your cohort?

Thanks!

Unit 3 average 80, above average cohort. Top end was really strong but it fell away after that. Was probably ranked 25-30 out of 75. I got scaled 89 (which is barely an A in bio, 1 mark above a B+).


cosine

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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #71 on: July 22, 2015, 05:10:45 pm »
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If you're second rank by just a small percentage, like 1%, does this make a difference in exam results, or even matter at all?

Cheers xD
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Orb

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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #72 on: July 22, 2015, 05:44:51 pm »
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If you're second rank by just a small percentage, like 1%, does this make a difference in exam results, or even matter at all?

Cheers xD

If there's a huge discrepancy in end of year exam scores between 1 and 2, then yes. If they are the same or really similar exam scores, no.
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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #73 on: July 28, 2015, 08:19:07 pm »
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OMG... i didn't no SAC's r dat important... T^T i totally fluke the writing piece in the Chinese sac ( guessing gonna loose 3-4marks) could've done so much better. Just another question. Im in yr 9 right now and I'm doing Unit2. if i'm gonna do unit 2 ( I WANNA REDO THE SAC) do they accept my mark???

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Re: {SAC RANKINGS} -All you need to know about it-
« Reply #74 on: July 31, 2015, 07:27:22 pm »
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ahh, i may be a little confused here, just hypothetically lets say your ranked 5th in the cohort would it be possible to achieve a 40+, given rank 1 dominates the exam but the others don't do as well and you perform better than them?