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Edexcel (IAL) S1 June 15th 2016 Discussion

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Skewness was positive.Mean was greater than median.
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
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
This was a tasty paper :cookie:
Original post by Imperion
This was a tasty paper :cookie:


Just like your taste in 2D girls
Original post by OnTheHorizon
Just like your taste in 2D girls


OI, DUN TALK SMACK ABOUT MY WAIFU BRUH I'LL REKT U :mad:

Spoiler

(edited 7 years ago)
Original post by Imperion
OI, DUN TALK SMACK ABOUT MY WAIFU BRUH I'LL REKT U :mad:


Try it,I'll hit you with reality.
Original post by OnTheHorizon
Try it,I'll hit you with reality.


I abandoned reality when I started my alevels.

Spoiler

Original post by Imperion
This was a tasty paper :cookie:


I was fasting so I couldnt taste it
Original post by Imperion
I abandoned reality when I started my alevels.

Spoiler



Fair enough

Spoiler

Reply 50
Avatar for Najlac
Najlac
4
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.
Original post by Hamadtype-
I was fasting so I couldnt taste it


At least it looked delicious?
Original post by ToxicPhantom007
My answers

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?
Just noticed but why is this not in the Maths Exams Sub-forum?
Yo guys does anybody remember the venn diagram? Anyway it was not the easiest exam ever... meh
Reply 55
Avatar for wenogk
wenogk
OP
6
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
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.
Reply 57
Avatar for wenogk
wenogk
OP
6
I just realised there were no box plots.. :eek:
Reply 58
Avatar for wenogk
wenogk
OP
6
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?
(edited 7 years ago)
I remember there being AUB=5/8 and B=3/8,C=1/2 and C'(Intersect)B'=0.3

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