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EDEXCEL 2023 papers AND markschemes
...............EASE YOUR REVISION...........................
edexcel june 2023
2
23
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20
2
23
For resources, notes, easier revision
20
email
2
20
, Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Monday 12th June 2023
Morning (Time: 2 hours)
Paper
reference 9ST0/02
Statistics
Advanced
PAPER 2: Statistical inference
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.
•
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.
Unless otherwise stated, inexact answers should be given to three significant figures.
Unless otherwise stated, statistical tests should be carried out at the 5% significance level.
Information
•• A booklet ‘Statistical formulae and tables’ is provided.
•
There are 7 questions in this question paper. The total mark for this paper is 80.
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.
Check 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
P72910A
©2023 Pearson Education Ltd.
N:1/1/1/1/1/
*P72910A0124*
, Answer ALL questions. Write your answers in the spaces provided.
1 100 professional players qualified to take part in the World Cup for a video game.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
In each round, players were awarded points based on their position.
The overall positions in the tournament were determined by the total number of points
that the players scored from all the rounds. The winning player gained the highest
number of final points.
Keito believes that professional players from countries in Asia are better players than
those from other continents.
To test this belief, he obtained a sample of 20 players from those in the World Cup.
The final points of the players are shown in Figure 1.
Final points of Final points of
players from players from
countries in Asia countries not in Asia
32 20
26 17
23 15
19 13
16 12
14 11
4 10
3 6
5
2
1
0
Figure 1
(a) Carry out a non-parametric test to determine whether there is evidence to support
Keito’s belief.
(9)
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
2
*P72910A0224*
EDEXCEL 2023 papers AND markschemes
...............EASE YOUR REVISION...........................
edexcel june 2023
2
23
OFF THIS PAGESTRIP OFF THIS PAGE
20
2
23
For resources, notes, easier revision
20
2
20
, Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Monday 12th June 2023
Morning (Time: 2 hours)
Paper
reference 9ST0/02
Statistics
Advanced
PAPER 2: Statistical inference
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.
•
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.
Unless otherwise stated, inexact answers should be given to three significant figures.
Unless otherwise stated, statistical tests should be carried out at the 5% significance level.
Information
•• A booklet ‘Statistical formulae and tables’ is provided.
•
There are 7 questions in this question paper. The total mark for this paper is 80.
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.
Check 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
P72910A
©2023 Pearson Education Ltd.
N:1/1/1/1/1/
*P72910A0124*
, Answer ALL questions. Write your answers in the spaces provided.
1 100 professional players qualified to take part in the World Cup for a video game.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
In each round, players were awarded points based on their position.
The overall positions in the tournament were determined by the total number of points
that the players scored from all the rounds. The winning player gained the highest
number of final points.
Keito believes that professional players from countries in Asia are better players than
those from other continents.
To test this belief, he obtained a sample of 20 players from those in the World Cup.
The final points of the players are shown in Figure 1.
Final points of Final points of
players from players from
countries in Asia countries not in Asia
32 20
26 17
23 15
19 13
16 12
14 11
4 10
3 6
5
2
1
0
Figure 1
(a) Carry out a non-parametric test to determine whether there is evidence to support
Keito’s belief.
(9)
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
2
*P72910A0224*
