Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel
Level 3 GCE
Thursday 18 June 2020
Afternoon (Time: 1 hour 30 minutes) Paper Reference 8ST0/02
Statistics
Advanced Subsidiary
Paper 2
You must have: Total Marks
Statistical formulae and tables booklet
Calculator
Candidates may use any calculator allowed by Pearson regulations.
Calculators must not have retrievable mathematical formulae stored in them.
Instructions
•• Use black ink or ball-point pen.
• centre
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,
• clearly labelled.
number and candidate number.
Answer all questions and ensure that your answers to parts of questions are
• Answer the questions in the spaces provided
• You
– there may be more space than you need.
should show sufficient working to make your methods clear.
• Unless
Answers without working may not gain full credit.
otherwise stated, inexact answers should be given to three
• Unless
significant figures.
otherwise stated, statistical tests should be carried out at the
5% significance level.
Information
•• AThere
booklet ‘Statistical formulae and tables’ is provided.
• – use this asfora guide
are 6 questions in this question paper. The total mark for this paper is 60.
The marks each question are shown in brackets
as to how much time to spend on each question.
Advice
•• Read each question carefully before you start to answer it.
•• Check
Try to answer every question.
your answers if you have time at the end.
If you change your mind about an answer, cross it out and put your new answer and
any working underneath.
Turn over
*P62298A0124*
P62298A
©2020 Pearson Education Ltd.
1/1/1/
, Answer ALL questions. Write your answers in the spaces provided.
1 A class of students is studying for AS-level Statistics.
DO NOT WRITE IN THIS AREA
The students sit two mock examinations, Paper 1 and Paper 2. Each paper is scored out of
60 marks.
The students’ results are shown in Figure 1.
Student Paper 1 Paper 2
A 13 23
B 25 27
C 27 26
D 31 36
E 32 28
F 24 31
G 42 50
DO NOT WRITE IN THIS AREA
H 28 25
I 29 30
J 46 48
Figure 1
Making any necessary assumptions, use a Wilcoxon signed-rank test to investigate whether
there is a difference in the average level of difficulty between Paper 1 and Paper 2.
(8)
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2
*P62298A0224*
, Question 1 continued
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(Total for Question 1 is 8 marks)
3
*P62298A0324* Turn over
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel
Level 3 GCE
Thursday 18 June 2020
Afternoon (Time: 1 hour 30 minutes) Paper Reference 8ST0/02
Statistics
Advanced Subsidiary
Paper 2
You must have: Total Marks
Statistical formulae and tables booklet
Calculator
Candidates may use any calculator allowed by Pearson regulations.
Calculators must not have retrievable mathematical formulae stored in them.
Instructions
•• Use black ink or ball-point pen.
• centre
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,
• clearly labelled.
number and candidate number.
Answer all questions and ensure that your answers to parts of questions are
• Answer the questions in the spaces provided
• You
– there may be more space than you need.
should show sufficient working to make your methods clear.
• Unless
Answers without working may not gain full credit.
otherwise stated, inexact answers should be given to three
• Unless
significant figures.
otherwise stated, statistical tests should be carried out at the
5% significance level.
Information
•• AThere
booklet ‘Statistical formulae and tables’ is provided.
• – use this asfora guide
are 6 questions in this question paper. The total mark for this paper is 60.
The marks each question are shown in brackets
as to how much time to spend on each question.
Advice
•• Read each question carefully before you start to answer it.
•• Check
Try to answer every question.
your answers if you have time at the end.
If you change your mind about an answer, cross it out and put your new answer and
any working underneath.
Turn over
*P62298A0124*
P62298A
©2020 Pearson Education Ltd.
1/1/1/
, Answer ALL questions. Write your answers in the spaces provided.
1 A class of students is studying for AS-level Statistics.
DO NOT WRITE IN THIS AREA
The students sit two mock examinations, Paper 1 and Paper 2. Each paper is scored out of
60 marks.
The students’ results are shown in Figure 1.
Student Paper 1 Paper 2
A 13 23
B 25 27
C 27 26
D 31 36
E 32 28
F 24 31
G 42 50
DO NOT WRITE IN THIS AREA
H 28 25
I 29 30
J 46 48
Figure 1
Making any necessary assumptions, use a Wilcoxon signed-rank test to investigate whether
there is a difference in the average level of difficulty between Paper 1 and Paper 2.
(8)
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
DO NOT WRITE IN THIS AREA
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
2
*P62298A0224*
, Question 1 continued
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DO NOT WRITE IN THIS AREA
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_____________________________________________________________________________________
_____________________________________________________________________________________
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DO NOT WRITE IN THIS AREA
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DO NOT WRITE IN THIS AREA
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(Total for Question 1 is 8 marks)
3
*P62298A0324* Turn over
