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# Mega A Level Maths Thread MK II watch

1. Core 2 and Decision 2 - good luck eveyone!!
2. (Original post by MathsNerd1)
I got 96 which I think was pretty damn good considering my state and everything!

Yeah that's why after last year I've left the Stats at just S1 and S2, although I did prefer S2 over S1 as it seemed more enjoyable

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Ah yeah that is really good! well done

Everybody prefers S2 lol, I just find it more interesting, more topics like normal distribution, more integration and other interesting things, though a bit basic it is still fun to mess around with.

Best do some last minute mathematical modeling revision Lol. Left it so late haha
3. (Original post by MathsNerd1)
That's correct now just fiddle around with that until you can get r by itself and have a value for it

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Urgh... Okay, ygabjsr
4. For the love of all that is holy, someone help me with this concept.

When figuring out Quartiles, what are the criteria for determining which value one chooses? Sometimes it's just n/4, other times it's n+1 / 4 , sometimes we round up and sometimes we round down. I'm really confused at the last minute and don't know which method should be employed when.

Please help! Only a couple of hours left!
5. (Original post by Robbie242)
Ah yeah that is really good! well done

Everybody prefers S2 lol, I just find it more interesting, more topics like normal distribution, more integration and other interesting things, though a bit basic it is still fun to mess around with.

Best do some last minute mathematical modeling revision Lol. Left it so late haha
Thanks and yeah, it's definitely the more enjoyable unit out of the 2!

I remember only first touching on it like 10 minutes before I went in as half of it just seemed like common sense really so didn't take too long to remember, let me know how it goes tomorrow when it's okay to talk about the exams

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6. (Original post by L'Evil Fish)
Urgh... Okay, ygabjsr
Did you get there in the end?

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7. (Original post by MathsNerd1)
Did you get there in the end?

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Yep! 9.70... = 9.7cm

Another one... Part)b)

I should be fine after this...

8. I am going to:

Take my time.
Draw diagrams where needed.
Show every step, including re arranging my identity
Hopefully aim for 100 UMS! (although 95+ will be great)
9. (Original post by L'Evil Fish)
Yep! 9.70... = 9.7cm

Another one... Part)b)

I should be fine after this...

That's good and I'm not that fond of geometry questions unfortunately :-/ Have you drawn a diagram for it?

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10. (Original post by L'Evil Fish)
I am going to:

Take my time.
Draw diagrams where needed.
Show every step, including re arranging my identity
Hopefully aim for 100 UMS! (although 95+ will be great)
draw the tangent on the edge of the circle and then join the centre to a point T outside and a point R on the circle, then it is just some simple right angled pythagoras (you should know that a tangent on a circle creates a right angle) at the point it is tangent to to
11. (Original post by MathsNerd1)
That's good and I'm not that fond of geometry questions unfortunately :-/ Have you drawn a diagram for it?

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Yes.

I have A as the centre (2, -3).
A tangent, with a point T (8,2) on there.
R as a point of contact. But I cant find the co ordinates of r
12. (Original post by L'Evil Fish)
I am going to:

Take my time.
Draw diagrams where needed.
Show every step, including re arranging my identity
Hopefully aim for 100 UMS! (although 95+ will be great)
Good luck

ryan
13. (Original post by ryanb97)
Good luck

ryan
Thank you!

This question is bugging me though now... And if I don't do it, I'll have lost that many marks in that paper
14. (Original post by L'Evil Fish)
Yes.

I have A as the centre (2, -3).
A tangent, with a point T (8,2) on there.
R as a point of contact. But I cant find the co ordinates of r
The advice robbie gave is quite useful to this question so I recommend you take that approach, I was going to do some differentiation and everything but then remembered its only core 2 so no implicit differentiation is needed

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15. (Original post by Robbie242)
draw the tangent on the edge of the circle and then join the centre to a point T outside and a point R on the circle, then it is just some simple right angled pythagoras (you should know that a tangent on a circle creates a right angle) at the point it is tangent to to
Yeah, but I need the r co ordinates to work out side lengths?

Oh I have the radius!!
16. How do you know when to round up when you working out the quartiles?
17. (Original post by L'Evil Fish)
Hopefully you're awake because no one else will be

Need help...

5)a) I could do b, after solving the a bit from the paper.

Attachment 216606

And this one...

9) I have the idea, just a quick run through if you dont mind.

Attachment 216607
So are you alright with this, now?
18. (Original post by justinawe)
So are you alright with this, now?
Yep!
19. (Original post by Robbie242)
What did you manage to get in stats 1 then :P?

and I completely agree, regression/PMCC/interpolation IS SO BORING
interpolation makes sense imo (I used it unwittingly to check my answers when I was in secondary school, only later learned there was a name for the technique), so it isn't too bad!

I remember I didn't really study regression at all, and not much of PMCC either. I just used the formulae booklet for both!
20. Best C2 exam paper ever...

I genuinely think I can get full marks maybe, don't want to jinx it though

But yeah feeling good

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Updated: July 9, 2013
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