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AS Paper 2: Statistics and Mechanics
- Exam (elaborations) • 8 pages • 2021
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Paper 2: Statistics and Mechanics AS Wednesday 22 May 2019 
SECTION A: STATISTICS 
1. A sixth form college has 84 students in Year 12 and 56 students in Year 13 
The head teacher selects a stratified sample of 40 students, stratified by year group. 
(a) Describe how this sample could be taken. 
(3) 
The head teacher is investigating the relationship between the amount of sleep, s hours, 
that each student had the night before they took an aptitude test and their performance in 
the test, p marks...
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A-Level Mathematics Exam Board: Edexcel PRACTISE PAPERS
- Exam (elaborations) • 123 pages • 2021
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Answer ALL the questions. 
Write your answers in the spaces provided. 
2 A helicopter flies between 3 locations, A, B and C, which are positioned 
such that AB = 9 km, AC = 5 km and angle °. ABC = 24 
Find the possible values of angle ACB to 1 decimal place. (3) 
1 a) Given that f(x) = x 
3 
 – 4x 
2 
 – 3x + 7, find f '(x). (2) 
b) Hence find the values of x for which f(x) is a decreasing function, giving your answer 
in the form {x : x > «a{} x : x < b} where a and b are real numb...
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AQA A-level MATHEMATICS 7357/2 Paper 2 Mark scheme June 2020 Version: 1.0 Final Mark Scheme
- Exam (elaborations) • 22 pages • 2021
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AQA 
A-level 
MATHEMATICS 
7357/2 
Paper 2 
Mark scheme 
June 2020 
Version: 1.0 Final Mark 
Scheme
-
AQA A-level MATHEMATICS 7357/2 Paper 2 Mark scheme June 2020 Version: 1.0 Final Mark Scheme
- Exam (elaborations) • 22 pages • 2021
-
- $3.99
- + learn more
AQA 
A-level 
MATHEMATICS 
7357/2 
Paper 2 
Mark scheme 
June 2020 
Version: 1.0 Final Mark 
Scheme 
AQA 
A-level 
MATHEMATICS 
7357/2 
Paper 2 
Mark scheme 
June 2020 
Version: 1.0 Final Mark 
Scheme
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