Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Friday 22 May 2026
Afternoon Paper
reference 8MA0/21
Mathematics
Advanced Subsidiary
PAPER 21: Statistics
You must have: Total Marks
Mathematical Formulae and Statistical Tables (Green), calculator
Candidates may use any calculator permitted by Pearson regulations. Calculators
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.
•
Answers without working may not gain full credit.
Values from statistical tables should be quoted in full. If a calculator is used instead of
•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.
•• A booklet ‘Mathematical Formulae and Statistical Tables’ is provided.
•
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
©2026 Pearson Education Ltd.
P:1/1/1/1/1/1/1/
*P80139A0112*
, 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
The days in which the Daily Total Rainfall was recorded as ‘tr’ were omitted.
The histogram below represents the remaining data.
Frequency
density
0
0 5 10 15 20 25
Daily Total Rainfall
(a) State the units for Daily Total Rainfall in the large data set.
(1)
The Daily Total Rainfall for 22 of the days in the sample was between 1.5 and 5.5
(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
It is now decided to include the days recorded as ‘tr’
(c) State
(i) a suitable value with which to replace ‘tr’
(ii) the effect this would have on the mean, giving a reason for your answer.
(2)
2
*P80139A0212*
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Friday 22 May 2026
Afternoon Paper
reference 8MA0/21
Mathematics
Advanced Subsidiary
PAPER 21: Statistics
You must have: Total Marks
Mathematical Formulae and Statistical Tables (Green), calculator
Candidates may use any calculator permitted by Pearson regulations. Calculators
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.
•
Answers without working may not gain full credit.
Values from statistical tables should be quoted in full. If a calculator is used instead of
•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.
•• A booklet ‘Mathematical Formulae and Statistical Tables’ is provided.
•
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
©2026 Pearson Education Ltd.
P:1/1/1/1/1/1/1/
*P80139A0112*
, 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
The days in which the Daily Total Rainfall was recorded as ‘tr’ were omitted.
The histogram below represents the remaining data.
Frequency
density
0
0 5 10 15 20 25
Daily Total Rainfall
(a) State the units for Daily Total Rainfall in the large data set.
(1)
The Daily Total Rainfall for 22 of the days in the sample was between 1.5 and 5.5
(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
It is now decided to include the days recorded as ‘tr’
(c) State
(i) a suitable value with which to replace ‘tr’
(ii) the effect this would have on the mean, giving a reason for your answer.
(2)
2
*P80139A0212*
