Mark Scheme (Results)
Summer 2026
Pearson Edexcel GCSE (9 – 1)
In Statistics (1ST0)
Foundation Paper 1F
,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
June 2026
Question Paper Log Number P79578A
Publication Code 1ST0_1F_2606_MS
All the material in this publication is copyright
© Pearson Education Ltd
, General Marking Guidance
These notes offer general guidance, but the specific notes for examiners
appertaining to individual questions take precedence.
1 All candidates must receive the same treatment. Examiners must
mark the last candidate in exactly the same way as they mark the first.
Where some judgement is required, mark schemes will provide the
principles by which marks will be awarded; exemplification/indicative
content will not be exhaustive. When examiners are in doubt
regarding the application of the mark scheme to a candidate’s
response, the response should be sent to review.
2 All the marks on the mark scheme are designed to be awarded; mark
schemes should be applied positively. Examiners should also be
prepared to award zero marks if the candidate’s response is not
worthy of credit according to the mark scheme. If there is a wrong
answer (or no answer) indicated on the answer line always check the
working in the body of the script (and on any diagrams), and award
any marks appropriate from the mark scheme.
Questions where working is not required: In general, the correct
answer should be given full marks.
Questions that specifically require working: In general, candidates
who do not show working on this type of question will get no marks –
full details will be given in the mark scheme for each individual
question.
3 Crossed out work
This should be marked unless the candidate has replaced it with an
alternative response.
4 Choice of method
If there is a choice of methods shown, mark the method that leads to
the answer given on the answer line.
If no answer appears on the answer line then mark both methods as
far as they are identical and award these marks.
5 Incorrect method
If it is clear from the working that the “correct” answer has been
obtained from incorrect working, award 0 marks.
Summer 2026
Pearson Edexcel GCSE (9 – 1)
In Statistics (1ST0)
Foundation Paper 1F
,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
June 2026
Question Paper Log Number P79578A
Publication Code 1ST0_1F_2606_MS
All the material in this publication is copyright
© Pearson Education Ltd
, General Marking Guidance
These notes offer general guidance, but the specific notes for examiners
appertaining to individual questions take precedence.
1 All candidates must receive the same treatment. Examiners must
mark the last candidate in exactly the same way as they mark the first.
Where some judgement is required, mark schemes will provide the
principles by which marks will be awarded; exemplification/indicative
content will not be exhaustive. When examiners are in doubt
regarding the application of the mark scheme to a candidate’s
response, the response should be sent to review.
2 All the marks on the mark scheme are designed to be awarded; mark
schemes should be applied positively. Examiners should also be
prepared to award zero marks if the candidate’s response is not
worthy of credit according to the mark scheme. If there is a wrong
answer (or no answer) indicated on the answer line always check the
working in the body of the script (and on any diagrams), and award
any marks appropriate from the mark scheme.
Questions where working is not required: In general, the correct
answer should be given full marks.
Questions that specifically require working: In general, candidates
who do not show working on this type of question will get no marks –
full details will be given in the mark scheme for each individual
question.
3 Crossed out work
This should be marked unless the candidate has replaced it with an
alternative response.
4 Choice of method
If there is a choice of methods shown, mark the method that leads to
the answer given on the answer line.
If no answer appears on the answer line then mark both methods as
far as they are identical and award these marks.
5 Incorrect method
If it is clear from the working that the “correct” answer has been
obtained from incorrect working, award 0 marks.
