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# Edexcel (IAL) S1 June 15th 2016 Discussion Watch

• View Poll Results: How was the IAL S1 Exam (THIS IS IAL NOT GCE)
Easy as pie.
2
6.90%
Was very good.
11
37.93%
Ok.
8
27.59%
It was hard.
7
24.14%
Failed.
1
3.45%

1. Skewness was positive.Mean was greater than median.
2. (Original post by wenogk)
I don't understand, how did you get Variance wasn't it just standard deviation
i made the t the subject and said said the var(t) and subsituted the t
3. (Original post by Tigernoob)
There was a question 2 i believe there was a coding where v=(t-5)/10

in the last part he asked for the estimation for mean and standard deviation
i made t the subject correct me if i am wrong
Nope you're not
4. This was a tasty paper
5. (Original post by Imperion)
This was a tasty paper
Just like your taste in 2D girls
6. (Original post by OnTheHorizon)
Just like your taste in 2D girls
OI, DUN TALK SMACK ABOUT MY WAIFU BRUH I'LL REKT U
Spoiler:
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Not everyone can have Imitatia
Spoiler:
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I'm kidding btw What am I doing, I have M2 soon and oh, I watch her in 3D
7. (Original post by Imperion)
OI, DUN TALK SMACK ABOUT MY WAIFU BRUH I'LL REKT U
Try it,I'll hit you with reality.
8. (Original post by OnTheHorizon)
Try it,I'll hit you with reality.
I abandoned reality when I started my alevels.
Spoiler:
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9. (Original post by Imperion)
This was a tasty paper
I was fasting so I couldnt taste it
10. (Original post by Imperion)
I abandoned reality when I started my alevels.
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Fair enough
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Let's stop
11. Does anyone remember what each question was about? Like what topic because i know there was one about correlation and regression, one about frequency, one about grouped frequency, two about probability and one about normal distribution but i can't seem to remember one of the questions.
I was fasting so I couldnt taste it
At least it looked delicious?
13. (Original post by ToxicPhantom007)
1. Q1 Sww= 292, Swp=-26.2 r= -0.93 neg correclation
p=44.84-0.08w

q2 105 number of people

q3 P(t=2) = (3/16)/1/2 = 3/8
P(t=3)= 1/2

q7 r=499.. q= 1.51

these are the answers i remember
How did you do the regression line question?
14. Just noticed but why is this not in the Maths Exams Sub-forum?
15. Yo guys does anybody remember the venn diagram? Anyway it was not the easiest exam ever... meh
16. (Original post by deejaynick)
Yo guys does anybody remember the venn diagram? Anyway it was not the easiest exam ever... meh
We can recreate the ven diagram if you remember the values they gave in the question
17. (Original post by deejaynick)
Yo guys does anybody remember the venn diagram? Anyway it was not the easiest exam ever... meh
What I remember are the ones that you hadn't calculated in the above question. The area outside the A,B,C was 1/20, the intersection between B and C was 7/20.
18. I just realised there were no box plots..
19. (Original post by omar5478)
What I remember are the ones that you hadn't calculated in the above question. The area outside the A,B,C was 1/20, the intersection between B and C was 7/20.
I remember 1/20 being outside but can't remember anything inside the circles - perhaps if anyone still remembers the question we can do it again?
20. I remember there being AUB=5/8 and B=3/8,C=1/2 and C'(Intersect)B'=0.3

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