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Examen

AQA-7367-3S-FURTHER MATHEMATICS FINAL MARK SCHEME PAPER 3S:Statistics-A LEVEL-Jun24-v1.0

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AQA-7367-3S-FURTHER MATHEMATICS FINAL MARK SCHEME PAPER 3S:Statistics-A LEVEL-Jun24-v1.0. Q Marking Instructions AO Marks Typical Solution 1 Circles the 1st answer 1.1b B1 4 Question total 1 Q Marking Instructions AO Marks Typical Solution 2 Circles the 3rd answer 1.1b B1 1 – e –0.7 Question total 1 Q Marking Instructions AO Marks Typical Solution 3 Circles the 2nd answer 1.1b B1 10 3 2 – 2 Question total 1 000006 Page 6 of 17 FURTHER MATHEMATICS MARK SCHEME – A-LEVEL FURTHER MATHEMATICS – 7367/3S – JUNE 2024 7 Q Marking Instructions AO Marks Typical Solution 4 States both hypotheses using correct language using either λ = 140 or λ = 20 May use λ or μ 2.5 B1 H0 : λ = 140 H1 : λ 140 X ~ Po(140) P(X ≥ 162) = 0.037 0.037 0.05 Reject H0 Sufficient evidence to suggest that the mean number of volcanic eruptions per week has increased. Uses Poisson model X ~ Po(140) to calculate one of P(X ≥ 162) = AWRT 0.037 P(X ≤ 161) = AWRT 0.963 P(X 162) = AWRT 0.031 P(X ≤ 162) = AWRT 0.969 or P(X ≥ 161) = AWRT 0.044 PI by correct critical region 3.3 M1 Uses Poisson m

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000001




AQA
MARK SCHEME AQA




A-level
FURTHER MATHEMATICS




S
7367/3S




C
TI
Paper 3 Statistics




A
Mark scheme




EM
June 2024
Version: 1.0 Final
TH
A
M
ER
TH
R
FU




Page 1 of 17

,000002


MARK SCHEME – A-LEVEL FURTHER MATHEMATICS – 7367/3S – JUNE 2024



Mark schemes are prepared by the Lead Assessment Writer and considered, together with the
relevant questions, by a panel of subject teachers. This mark scheme includes any amendments
made at the standardisation events which all associates participate in and is the scheme which
was used by them in this examination. The standardisation process ensures that the mark scheme
covers the students’ responses to questions and that every associate understands and applies it in
the same correct way. As preparation for standardisation each associate analyses a number of
students’ scripts. Alternative answers not already covered by the mark scheme are discussed and
legislated for. If, after the standardisation process, associates encounter unusual answers which
have not been raised they are required to refer these to the Lead Examiner.




S
It must be stressed that a mark scheme is a working document, in many cases further developed
and expanded on the basis of students’ reactions to a particular paper. Assumptions about future




C
mark schemes on the basis of one year’s document should be avoided; whilst the guiding
principles of assessment remain constant, details will change, depending on the content of a




TI
particular examination paper.

No student should be disadvantaged on the basis of their gender identity and/or how they refer to




A
the gender identity of others in their exam responses.




EM
A consistent use of ‘they/them’ as a singular and pronouns beyond ‘she/her’ or ‘he/him’ will be
credited in exam responses in line with existing mark scheme criteria.
TH
Further copies of this mark scheme are available from aqa.org.uk
A
M
ER
TH
R
FU




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Page 2 of 17

, 000003


MARK SCHEME – A-LEVEL FURTHER MATHEMATICS – 7367/3S – JUNE 2024



Mark scheme instructions to examiners

General

The mark scheme for each question shows:
• the marks available for each part of the question
• the total marks available for the question
• marking instructions that indicate when marks should be awarded or withheld including the




S
principle on which each mark is awarded. Information is included to help the examiner make his
or her judgement and to delineate what is creditworthy from that not worthy of credit




C
• a typical solution. This response is one we expect to see frequently. However credit must be
given on the basis of the marking instructions.




TI
If a student uses a method which is not explicitly covered by the marking instructions the same
principles of marking should be applied. Credit should be given to any valid methods. Examiners




A
should seek advice from their senior examiner if in any doubt.




EM
Key to mark types

M mark is for method
R mark is for reasoning
TH
A mark is dependent on M marks and is for accuracy
B mark is independent of M marks and is for method and accuracy
E mark is for explanation
A

F follow through from previous incorrect result
M


Key to mark scheme abbreviations
ER




CAO correct answer only
CSO correct solution only
ft follow through from previous incorrect result
‘their’
TH




indicates that credit can be given from previous incorrect result
AWFW anything which falls within
AWRT anything which rounds to
R




ACF any correct form
AG answer given
FU




SC special case
OE or equivalent
NMS no method shown
PI possibly implied
sf significant figure(s)
dp decimal place(s)
ISW Ignore Subsequent Workings




3
Page 3 of 17

Información del documento

Subido en
30 de octubre de 2024
Número de páginas
17
Escrito en
2024/2025
Tipo
Examen
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