Edexcel A-level Mathematics : Statistics S2 6684 01 - 24 Jun 2019 [Exam Discussion]Watch

#1
Here is the exam discussion for this exam. Talk anything from how to revise for it, specific questions or time management
Date: 24th June
AM/PM:AM
Length:1h30
0
3 weeks ago
#2
S1 exams the past couple years have been likened to the IAL exams, is this the same for S2?
0
3 weeks ago
#3
lads you ready for tommoro, i aint i just hope its a decent paper
0
3 weeks ago
#4
Doin all those solomon papers then im off to bed
0
3 weeks ago
#5
(Original post by kparmar1999)
lads you ready for tommoro, i aint i just hope its a decent paper
No questions with unnecessary algebra in pls
0
3 weeks ago
#6
Trust me
(Original post by orangestapler)
No questions with unnecessary algebra in pls
0
3 weeks ago
#7
What do we think then boyssssss, thought it was decent
0
3 weeks ago
#8
K last question -0.5?
1
3 weeks ago
#9
0
3 weeks ago
#10
How did u guys prove the last Q?
0
3 weeks ago
#11
What did you guys get for the skewness
0
3 weeks ago
#12
How did it go today guys?
0
3 weeks ago
#13
I couldn't do the 5marker on uniform distribution
0
3 weeks ago
#14
(Original post by Jamachree)
What did you guys get for the skewness
Standard deviance was 0.8 so negative skewness
0
3 weeks ago
#15
0.8 exactly?
(Original post by OCRScience)
Standard deviance was 0.8 so negative skewness
0
3 weeks ago
#16
(Original post by Wangyuchen2000)
How did u guys prove the last Q?
Found E(X) in terms of K and B then found K using -3<X<3 and subbed it in, got K=1/2
0
3 weeks ago
#17
Was b = 3 or b=-3 in the question?
(Original post by orangestapler)
Found E(X) in terms of K and B then found K using -3<X<3 and subbed it in, got K=1/2
0
3 weeks ago
#18
3 I thought?
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3 weeks ago
#19
Anyone else get 185/216 for P(2<X<5)? And 5/8 for the probability of part c of the continuous uniform distribution??? About the fence
0
3 weeks ago
#20
i got k as 3/2b
0
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