Write your name
here Other
Surname names
Pearson Centre
Number
Candidate
Number
Level 3 GCE
Edexcel
Mathematics
Advanced Subsidiary
Paper 2: Statistics and
Mechanics
Sample Assessment Material for first teaching Paper Reference
September 2017
Time: 1 hour 15 minutes 8MA0/0
2
You must have:
Mathematical Formulae and Statistical Tables, Total Marks
calculator
Candidates may use any calculator permitted by Pearson
regulations. Calculators must not have the facility for
algebraic manipulation, differentiation and integration, or
have retrievable mathematical formulae stored in them.
Instructions
• Use black ink or ball-point
• If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• Fill
pen.
in the boxes at the top of this page with your
centre number and candidate number.
• There
name,
are two sections in this question paper. Answer all the
questions in Section A and all the questions in Section B.
• 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.
• Answers should be given to three significant figures unless otherwise stated.
Information
• AThere
booklet ‘Mathematical Formulae and Statistical Tables’ is provided.
• The are 8 questions in this question paper. The total mark for this paper is 60.
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
• Check your answers if you have time at the end.
• question.
If you change your mind about an answer, cross it out
new answer and any working underneath. Turn over
and put your
, SECTION A: STATISTICS
AREA
DO NOT WRITE IN THIS
Answer ALL questions. Write your answers in the spaces provided.
1. A company manager is investigating the time taken, t minutes, to complete an aptitude
test. The human resources manager produced the table below of coded times, x minutes,
for a random sample of 30 applicants.
(You may use Σfy = 355 and Σfy2 = 5675)
(a) Use linear interpolation to estimate the median of the coded times.
AREA
DO NOT WRITE IN THIS
(2)
(b) Estimate the standard deviation of the coded times.
(2)
The company manager is told by the human resources manager that he subtracted
15 from each of the times and then divided by 2, to calculate the coded times.
(c) Calculate an estimate for the median and the standard deviation of t.
(3)
The following year, the company has 25 positions available. The company manager
decides not to offer a position to any applicant who takes 35 minutes or more to
complete the aptitude test.
The company has 60 applicants.
(d) Comment on whether or not the company manager's decision will result in the
company being able to fill the 25 positions available from these 60 applicants. Give a
AREA
DO NOT WRITE IN THIS
reason for your answer. (2)
, Question 1 continued
DO NOT WRITE IN THIS
AREA
DO NOT WRITE IN THIS
AREA
DO NOT WRITE IN THIS
AREA
(Total for Question 1 is 9 marks)
here Other
Surname names
Pearson Centre
Number
Candidate
Number
Level 3 GCE
Edexcel
Mathematics
Advanced Subsidiary
Paper 2: Statistics and
Mechanics
Sample Assessment Material for first teaching Paper Reference
September 2017
Time: 1 hour 15 minutes 8MA0/0
2
You must have:
Mathematical Formulae and Statistical Tables, Total Marks
calculator
Candidates may use any calculator permitted by Pearson
regulations. Calculators must not have the facility for
algebraic manipulation, differentiation and integration, or
have retrievable mathematical formulae stored in them.
Instructions
• Use black ink or ball-point
• If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• Fill
pen.
in the boxes at the top of this page with your
centre number and candidate number.
• There
name,
are two sections in this question paper. Answer all the
questions in Section A and all the questions in Section B.
• 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.
• Answers should be given to three significant figures unless otherwise stated.
Information
• AThere
booklet ‘Mathematical Formulae and Statistical Tables’ is provided.
• The are 8 questions in this question paper. The total mark for this paper is 60.
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
• Check your answers if you have time at the end.
• question.
If you change your mind about an answer, cross it out
new answer and any working underneath. Turn over
and put your
, SECTION A: STATISTICS
AREA
DO NOT WRITE IN THIS
Answer ALL questions. Write your answers in the spaces provided.
1. A company manager is investigating the time taken, t minutes, to complete an aptitude
test. The human resources manager produced the table below of coded times, x minutes,
for a random sample of 30 applicants.
(You may use Σfy = 355 and Σfy2 = 5675)
(a) Use linear interpolation to estimate the median of the coded times.
AREA
DO NOT WRITE IN THIS
(2)
(b) Estimate the standard deviation of the coded times.
(2)
The company manager is told by the human resources manager that he subtracted
15 from each of the times and then divided by 2, to calculate the coded times.
(c) Calculate an estimate for the median and the standard deviation of t.
(3)
The following year, the company has 25 positions available. The company manager
decides not to offer a position to any applicant who takes 35 minutes or more to
complete the aptitude test.
The company has 60 applicants.
(d) Comment on whether or not the company manager's decision will result in the
company being able to fill the 25 positions available from these 60 applicants. Give a
AREA
DO NOT WRITE IN THIS
reason for your answer. (2)
, Question 1 continued
DO NOT WRITE IN THIS
AREA
DO NOT WRITE IN THIS
AREA
DO NOT WRITE IN THIS
AREA
(Total for Question 1 is 9 marks)
