Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Edexcel Level 3 GCE
Friday 22 May 2026
Afternoon Paper
reference 8MA0/21
Mathematics
Advanced Subsidiary
Mark Scheme (Results)
PAPER 21: Statistics
You must have: Total Marks
Mathematical Formulae and Statistical Tables (Green), calculator
Candidates may use any calculator permitted by regulations. Calculators
Summer 2026
must not have the facility for symbolic algebra manipulation, differentiation and
integration, or have retrievable mathematical formulae stored in them.
Instructions
•• Use black ink or ball-point pen.
•
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
Fill in the boxes at the top of this page with your name,
••
centre number and candidate number.
Answer all questions and ensure that your answers to parts of questions are clearly labelled.
Answer the questions in the spaces provided
•
– there may be more space than you need.
You should show sufficient working to make your methods clear. Edexcel GCE
•
Answers without working may not gain full credit.
Values from statistical tables should be quoted in full. If a calculator is used instead of
Advanced Subsidiary Level
•Information
tables the value should be given to an equivalent degree of accuracy.
Inexact answers should be given to three significant figures unless otherwise stated.
In Mathematics (8MA0)
•• A booklet ‘Mathematical Formulae and Statistical Tables’ is provided.
Paper 21 Statistics
•
The total mark for this part of the examination is 30. There are 4 questions.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
•• Read each question carefully before you start to answer it.
•
Try to answer every question.
If you change your mind about an answer, cross it out and put your new answer and any
•
working underneath. Turn over
Check your answers if you have time at the end.
P80139A Education Ltd.
P:1/1/1/1/1/1/1/
*P80139A0112* for more:
for more:
, Edexcel and BTEC Qualifications
1. A random sample of the Daily Total Rainfall data was taken from the large data set for
Camborne in 2015.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
The days in which the Daily Total Rainfall was recorded as ‘tr’ were omitted.
Edexcel and BTEC qualifications are awarded by the UK’s
The histogram below represents the remaining data. largest awarding body. We provide a wide rang ications
including academic, vocational, occupational and specific
programmes for employers. For further information visit our
qualifications websites at or .
Alternatively, you can get in gt
contact us page at
Frequency
density
helping people progress, everywhere
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
25 learning, for all kinds of people, wherever they are in the world. We’ve been involved
Daily Total Rainfall 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
(a) State the units for Daily Total Rainfall in the large data set.
(1) standards and raising achievement through innovation in education. Find out more
The Daily Total Rainfall for 22 of the days in the sample was between 1.5 and 5.5 about how we can help you and your students at:
(b) Calculate an estimate for the number of days in the sample with a Daily Total
Rainfall greater than 11
(4)
When the days that were recorded as ‘tr’ were omitted, the mean of the Daily Total
Rainfall was calculated to be 4.69
Summer 2026
It is now decided to include the days recorded as ‘tr’ Question Paper Log Number P80139A
State Publications Code 8MA0_21_MS_2606
All the material in this publication is
(i) a suitable value with which to replace ‘tr’
Education Ltd 2026
(ii) the effect this would have on the mean, giving a reason for your answer.
(2)
for more:
2
for more:
*P80139A0212*
Candidate surname Other names
Centre Number Candidate Number
Edexcel Level 3 GCE
Friday 22 May 2026
Afternoon Paper
reference 8MA0/21
Mathematics
Advanced Subsidiary
Mark Scheme (Results)
PAPER 21: Statistics
You must have: Total Marks
Mathematical Formulae and Statistical Tables (Green), calculator
Candidates may use any calculator permitted by regulations. Calculators
Summer 2026
must not have the facility for symbolic algebra manipulation, differentiation and
integration, or have retrievable mathematical formulae stored in them.
Instructions
•• Use black ink or ball-point pen.
•
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
Fill in the boxes at the top of this page with your name,
••
centre number and candidate number.
Answer all questions and ensure that your answers to parts of questions are clearly labelled.
Answer the questions in the spaces provided
•
– there may be more space than you need.
You should show sufficient working to make your methods clear. Edexcel GCE
•
Answers without working may not gain full credit.
Values from statistical tables should be quoted in full. If a calculator is used instead of
Advanced Subsidiary Level
•Information
tables the value should be given to an equivalent degree of accuracy.
Inexact answers should be given to three significant figures unless otherwise stated.
In Mathematics (8MA0)
•• A booklet ‘Mathematical Formulae and Statistical Tables’ is provided.
Paper 21 Statistics
•
The total mark for this part of the examination is 30. There are 4 questions.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
•• Read each question carefully before you start to answer it.
•
Try to answer every question.
If you change your mind about an answer, cross it out and put your new answer and any
•
working underneath. Turn over
Check your answers if you have time at the end.
P80139A Education Ltd.
P:1/1/1/1/1/1/1/
*P80139A0112* for more:
for more:
, Edexcel and BTEC Qualifications
1. A random sample of the Daily Total Rainfall data was taken from the large data set for
Camborne in 2015.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
The days in which the Daily Total Rainfall was recorded as ‘tr’ were omitted.
Edexcel and BTEC qualifications are awarded by the UK’s
The histogram below represents the remaining data. largest awarding body. We provide a wide rang ications
including academic, vocational, occupational and specific
programmes for employers. For further information visit our
qualifications websites at or .
Alternatively, you can get in gt
contact us page at
Frequency
density
helping people progress, everywhere
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
25 learning, for all kinds of people, wherever they are in the world. We’ve been involved
Daily Total Rainfall 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
(a) State the units for Daily Total Rainfall in the large data set.
(1) standards and raising achievement through innovation in education. Find out more
The Daily Total Rainfall for 22 of the days in the sample was between 1.5 and 5.5 about how we can help you and your students at:
(b) Calculate an estimate for the number of days in the sample with a Daily Total
Rainfall greater than 11
(4)
When the days that were recorded as ‘tr’ were omitted, the mean of the Daily Total
Rainfall was calculated to be 4.69
Summer 2026
It is now decided to include the days recorded as ‘tr’ Question Paper Log Number P80139A
State Publications Code 8MA0_21_MS_2606
All the material in this publication is
(i) a suitable value with which to replace ‘tr’
Education Ltd 2026
(ii) the effect this would have on the mean, giving a reason for your answer.
(2)
for more:
2
for more:
*P80139A0212*
