[Year 12 SofDev] clarification about quick sort & selection sort in 2016 Sample exam

[Tran, Vi V]

Hi Esther,
Thank you so much!

>From Vi.

________________________________________
From: sofdev-bounces at edulists.com.au [sofdev-bounces at edulists.com.au] on behalf of Esther ANDREWS [ANDREWS.Esther at bssc.edu.au]
Sent: Tuesday, 27 September 2016 8:20 AM
To: Year 12 Software Development Teachers' Mailing List
Subject: Re: [Year 12 SofDev] clarification about quick sort & selection sort in        2016 Sample exam

Yes, Mark raised that question, too. The consensus was that the answer is clearly C.

Esther Andrews | Admin Systems Developer, IT and Maths Teacher
Bendigo Senior Secondary College
Box 545 | BENDIGO | Victoria  3552   Australia
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________________________________
From: sofdev-bounces at edulists.com.au <sofdev-bounces at edulists.com.au> on behalf of Tran, Vi V <tran.vi.v at edumail.vic.gov.au>
Sent: 26 September 2016 22:30
To: Year 12 Software Development Teachers' Mailing List
Subject: [Year 12 SofDev] clarification about quick sort & selection sort in 2016 Sample exam

hi,
 I would like to have clarification about Multiple choice Q17 in the sample VCAA exam 2016.
 It states:

Compared to quick sort, the selection sort algorithm, on average, is best describe as:
A. (correct answer) being more complex and taking less time to sort a list.

I thought quick sort is more complex and takes less time to sort a list because on average,
quick sort takes: nlog(n) time while selection sort takes O(n^2) time?

Is my thinking correct?
I don't understand how (A) is the correct answer instead of (C).

Thank you in advance.
>From Vi.=
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