2026ExamSeller
Mark Scheme
Summer 2026
Pearson Edexcel GCE
In Mathematics (9MA0)
Paper 31 Statistics
for more: tyrionpapers.com
,Edexcel and BTEC Qualifications
Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest
awarding body. We provide a wide range of qualifications including
academic, vocational, occupational and specific programmes for
employers. For further information visit our qualifications websites at
www.edexcel.com or www.btec.co.uk.
Alternatively, you can get in touch with us using the details on our contact us
page at www.edexcel.com/contactus
Pearson: helping people progress, everywhere
Pearson aspires to be the world’s leading learning company. Our aim is to help
everyone progress in their lives through education. We believe in every kind of learning,
for all kinds of people, wherever they are in the world. We’ve been involved in education
for over 150 years, and by working across 70 countries, in 100 languages, we have built
an international reputation for our commitment to high standards and raising
achievement through innovation in education. Find out more about how we can help
you and your students at: www.pearson.com/uk
Summer 2026
Question Paper Log Number P79728A
Publication Code 9MA0_31_2606_MS
All the material in this publication is copyright
© Pearson
for more: tyrionpapers.com
,General Marking Guidance
• All candidates must receive the same treatment. Examiners must mark the first
candidate in exactly the same way as they mark the last.
• Mark schemes should be applied positively. Candidates must be rewarded for
what they have shown they can do rather than penalised for omissions.
• Examiners should mark according to the mark scheme not according to their
perception of where the grade boundaries may lie.
• There is no ceiling on achievement. All marks on the mark scheme should be
used appropriately.
• All the marks on the mark scheme are designed to be awarded. Examiners
should always award full marks if deserved, i.e. if the answer matches the mark
scheme. Examiners should also be prepared to award zero marks if the
candidate’s response is not worthy of credit according to the mark scheme.
• Where some judgement is required, mark schemes will provide the principles
by which marks will be awarded and exemplification may be limited.
• When examiners are in doubt regarding the application of the mark scheme to
a candidate’s response, the team leader must be consulted.
• Crossed out work should be marked UNLESS the candidate has replaced it
with an alternative response.
for more: tyrionpapers.com
, EDEXCEL GCE MATHEMATICS
General Instructions for Marking
1. The total number of marks for the paper is 50.
2. The Edexcel Mathematics mark schemes use the following types of marks:
• M marks: method marks are awarded for ‘knowing a method and attempting to
apply it’, unless otherwise indicated.
• A marks: Accuracy marks can only be awarded if the relevant method (M) marks
have been earned.
• B marks are unconditional accuracy marks (independent of M marks)
• Marks should not be subdivided.
3. Abbreviations
These are some of the traditional marking abbreviations that will appear in the mark
schemes.
• bod – benefit of doubt
• ft – follow through
• the symbol will be used for correct ft
• cao – correct answer only
• cso - correct solution only. There must be no errors in this part of the question
to obtain this mark
• isw – ignore subsequent working
• awrt – answers which round to
• SC: special case
• oe – or equivalent (and appropriate)
• dep – dependent
• indep – independent
• dp decimal places
• sf significant figures
• The answer is printed on the paper
• The second mark is dependent on gaining the first mark
for more: tyrionpapers.com
Mark Scheme
Summer 2026
Pearson Edexcel GCE
In Mathematics (9MA0)
Paper 31 Statistics
for more: tyrionpapers.com
,Edexcel and BTEC Qualifications
Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest
awarding body. We provide a wide range of qualifications including
academic, vocational, occupational and specific programmes for
employers. For further information visit our qualifications websites at
www.edexcel.com or www.btec.co.uk.
Alternatively, you can get in touch with us using the details on our contact us
page at www.edexcel.com/contactus
Pearson: helping people progress, everywhere
Pearson aspires to be the world’s leading learning company. Our aim is to help
everyone progress in their lives through education. We believe in every kind of learning,
for all kinds of people, wherever they are in the world. We’ve been involved in education
for over 150 years, and by working across 70 countries, in 100 languages, we have built
an international reputation for our commitment to high standards and raising
achievement through innovation in education. Find out more about how we can help
you and your students at: www.pearson.com/uk
Summer 2026
Question Paper Log Number P79728A
Publication Code 9MA0_31_2606_MS
All the material in this publication is copyright
© Pearson
for more: tyrionpapers.com
,General Marking Guidance
• All candidates must receive the same treatment. Examiners must mark the first
candidate in exactly the same way as they mark the last.
• Mark schemes should be applied positively. Candidates must be rewarded for
what they have shown they can do rather than penalised for omissions.
• Examiners should mark according to the mark scheme not according to their
perception of where the grade boundaries may lie.
• There is no ceiling on achievement. All marks on the mark scheme should be
used appropriately.
• All the marks on the mark scheme are designed to be awarded. Examiners
should always award full marks if deserved, i.e. if the answer matches the mark
scheme. Examiners should also be prepared to award zero marks if the
candidate’s response is not worthy of credit according to the mark scheme.
• Where some judgement is required, mark schemes will provide the principles
by which marks will be awarded and exemplification may be limited.
• When examiners are in doubt regarding the application of the mark scheme to
a candidate’s response, the team leader must be consulted.
• Crossed out work should be marked UNLESS the candidate has replaced it
with an alternative response.
for more: tyrionpapers.com
, EDEXCEL GCE MATHEMATICS
General Instructions for Marking
1. The total number of marks for the paper is 50.
2. The Edexcel Mathematics mark schemes use the following types of marks:
• M marks: method marks are awarded for ‘knowing a method and attempting to
apply it’, unless otherwise indicated.
• A marks: Accuracy marks can only be awarded if the relevant method (M) marks
have been earned.
• B marks are unconditional accuracy marks (independent of M marks)
• Marks should not be subdivided.
3. Abbreviations
These are some of the traditional marking abbreviations that will appear in the mark
schemes.
• bod – benefit of doubt
• ft – follow through
• the symbol will be used for correct ft
• cao – correct answer only
• cso - correct solution only. There must be no errors in this part of the question
to obtain this mark
• isw – ignore subsequent working
• awrt – answers which round to
• SC: special case
• oe – or equivalent (and appropriate)
• dep – dependent
• indep – independent
• dp decimal places
• sf significant figures
• The answer is printed on the paper
• The second mark is dependent on gaining the first mark
for more: tyrionpapers.com
