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October 31, 2025, 05:18:36 pm
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Author Topic: SOLUTIONS FOR CORE, MODULES 1,2,3,6  (Read 7826 times)  Share 

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moe1993

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #30 on: November 01, 2010, 03:34:17 pm »
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number patterns q7. its B; isn't
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Kotza

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #31 on: November 01, 2010, 03:50:47 pm »
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... im so sad

there is NOTHHIIINGGGG worse than knowing you missed out on easy marks due to stupidity...

aka module 1 question7, I KNEW IT and i got it wrong

FML
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Hazim

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #32 on: November 01, 2010, 03:59:26 pm »
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i think on core Q3 is c because the box plot shows that the IQR is between 179 and 181.5 so saying that another 16 persent would make it 3 degrees ??? right?
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zan

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #33 on: November 01, 2010, 04:05:48 pm »
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31/40..........

FML, I really wish I bothered to study (I literally did a few questions on business maths on Friday lol).

SAC average is 90%.

Approx study score if I get 50/60 on Wednesday?
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_avO

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #34 on: November 01, 2010, 04:07:03 pm »
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give or take 35
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Scoota.

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #35 on: November 01, 2010, 04:28:11 pm »
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why is Core q8 B?
i thought it was C coz the Y-Intercept is at 167?
« Last Edit: November 01, 2010, 04:30:28 pm by Scoota. »
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_avO

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #36 on: November 01, 2010, 04:33:17 pm »
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thats not the Y int if u look at the x axis they chopped off 20, so you gotta do it manually and find the regression line

EDIT: u can also use the 2 distinct points on the line and find the gradient and then the equation
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Scoota.

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #37 on: November 01, 2010, 04:36:36 pm »
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awww yehhh.
Thanks for clearing that up.
so far im on bout 35-36/40 so im pretty happy rite now. :)
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hannaho

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #38 on: November 01, 2010, 04:48:31 pm »
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how is q6 in graphs d? i got e!
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darcy42

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #39 on: November 01, 2010, 04:52:44 pm »
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the point (3,4) does not satisfy the constraint x-2y>or eq. -4,
as 3-(4x2)= -5, which is lower than -4.
However, point D (3,2) satisfies both inequalities
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hannaho

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #40 on: November 01, 2010, 05:04:14 pm »
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dammit! thanks! wow that was a really stupid mistake :(
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FutureAccountant

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #41 on: November 01, 2010, 05:06:43 pm »
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Isn't question 11 on Core A?
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Studyinghard

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #42 on: November 01, 2010, 05:07:40 pm »
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Quote from: FutureAccountant on November 01, 2010, 05:06:43 pm
Isn't question 11 on Core A?

When you linearise a data it always become positive.
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sam.utute

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #43 on: November 01, 2010, 05:14:18 pm »
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Quote from: FutureAccountant on November 01, 2010, 05:06:43 pm
Isn't question 11 on Core A?
Just type 1/8 on your calc, then 1/2. 1/8 is smaller, so all the larger x-values are pushed further to the left that the already smaller ones. Hence, the lines slope becomes positive.
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_avO

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Re: SOLUTIONS FOR CORE, MODULES 1,2,3,6
« Reply #44 on: November 01, 2010, 05:18:45 pm »
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Yea if you ended up plotting it, you would get 3 negative correlation values, and 1 positive (as well as the most correlation [0.998 :P]) which was 1/x
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