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November 01, 2025, 10:53:49 am
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Author Topic: Multiple Choice  (Read 2171 times)  Share 

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Lasercookie

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Multiple Choice
« on: September 30, 2011, 02:03:26 pm »
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Disclaimer: If you haven't done VCAA 2008, 2009 or 2010 already, it's possible that these graphs will give away the answers for you.


You might have heard that C is the most common answer for multiple choice. So I went and looked at the data for each detailed study for the past three VCAA exams and this is what I got:

The y axis represents how many times that answer came up.




So there you have it. If you're going to guess wildly (please don't),
For Synchrotron: Pick B
For Photonics: Pick C
For Sound: Pick C

Interesting that D is least popular at 13% for all detailed studies.

Of course, I only used three exams for my data. I also may have made an error when I had to manually transcribe the answers because I couldn't just import the data easily (I sourced these from iTute's VCAA solutions).
« Last Edit: September 30, 2011, 04:53:53 pm by laseredd »
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Re: Multiple Choice
« Reply #1 on: September 30, 2011, 02:20:42 pm »
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you my friend, have a lot of time on your hands :P
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Re: Multiple Choice
« Reply #2 on: September 30, 2011, 02:24:55 pm »
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Quote from: ssNake on September 30, 2011, 02:20:42 pm
you my friend, have a lot of time on your hands :P
It took only took 20 minutes to get all the data into the spreadsheet and then all I had to do is create the graphs :P

Too bad I didn't end up producing some useful like b^3's practice exam thingy
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Re: Multiple Choice
« Reply #3 on: September 30, 2011, 02:35:22 pm »
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If you enjoyed that then I wouldn't mind it for Psych...:P

For 08-010 ('11 doesn't separate the AOS)
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Re: Multiple Choice
« Reply #4 on: September 30, 2011, 02:50:58 pm »
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Quote from: ssNake on September 30, 2011, 02:35:22 pm
If you enjoyed that then I wouldn't mind it for Psych...:P

For 08-010 ('11 doesn't separate the AOS)
I was about to, but then I saw how many questions there are for psych.
I'm too lazy to do all that manually :P
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b^3

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Re: Multiple Choice
« Reply #5 on: September 30, 2011, 03:07:54 pm »
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Wow in 2010 A was never correct for photonics. The probability of that happening is like 0.03167635 (yes I used a binomial distribution)
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Re: Multiple Choice
« Reply #6 on: September 30, 2011, 04:51:42 pm »
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Quote from: b^3 on September 30, 2011, 03:07:54 pm
Wow in 2010 A was never correct for photonics. The probability of that happening is like 0.03167635 (yes I used a binomial distribution)
Might have been a transcription error by me or iTute.

edit: nope, just checked the report... wow.
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Re: Multiple Choice
« Reply #7 on: September 30, 2011, 11:50:34 pm »
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Quote from: b^3 on September 30, 2011, 03:07:54 pm
Wow in 2010 A was never correct for photonics. The probability of that happening is like 0.03167635 (yes I used a binomial distribution)

That's still over a 3% chance, i.e. one in about 33, which isn't really that crazy! ;)
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