Statistics advance subsidiary pAPER 1 2020 Questions and Answers

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Candidate surname Other names


Centre Number Candidate Number
Pearson Edexcel
Level 3 GCE
Tuesday 16 June 2020
Afternoon (Time: 1 hour 30 minutes) Paper Reference 8ST0/01

Statistics
Advanced Subsidiary
Paper 1

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).
• centre
Fill in the boxes at the top of this page with your name,
number and candidate number.
• labelled.
Answer all questions and ensure that your answers to parts of questions are clearly

• 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
•• AThere
booklet ‘Statistical formulae and tables’ is provided.
are 7 questions in this question paper. The total mark for this paper is 60.
• 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



*P62296A0124*
P62296A
©2020 Pearson Education Ltd.

1/1/1/1/

, Answer ALL questions. Write your answers in the spaces provided.
1 Nadiya and John are lecturers who teach a popular university course. They decide to compare
the test marks obtained by their students.
Nadiya presents her students’ results using a box plot whereas John presents his results using a
cumulative frequency diagram.




0 10 20 30 40 50 60 70 80 90 100
Test marks

Figure 1


50 –



40 –




Cumulative 30 –
frequency


20 –



10 –



0–
0 10 20 30 40 50 60 70 80 90 100
Test marks

Figure 2




2
*P62296A0224*

, Question 1 continued
(a) Using information from Figure 1 and Figure 2, compare the results for the students taught
by Nadiya and the students taught by John.
You should make five different comments.
(5)
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3
*P62296A0324* Turn over