past papers unit 1 modular

edexcel past paper for modular spec but sutible for those on the new linear spec this year

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Write your name here
Surname Other names
Centre Number Candidate Number
Edexcel GCSE
Mathematics B
Unit 1: Statistics and Probability (Calculator)
Higher Tier
Mock Paper Paper Reference
Time: 1 hour 15 minutes 5MB1H/01
You must have: Total Marks
Ruler graduated in centimetres and millimetres, protractor, compasses,
pen, HB pencil, eraser, calculator. Tracing paper may be used.
Instructions
· Use black ink or ball-point pen.
· Fill in the boxes at the top of this page with your name,
centre number and candidate number.
· Answer all questions.
· Answer the questions in the spaces provided
­ there may be more space than you need.
· If
Calculators may be used.
· 3.142
your calculator does not have a button, take the value of to be
unless the question instructs otherwise.
Information
· 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.
· Questions labelled with an asterisk (*) are ones where the quality of your
written communication will be assessed
­ you should take particular care on these questions with your spelling, punctuation
and grammar, as well as the clarity of expression.
Advice
· Read each question carefully before you start to answer it.
· Keep an eye on the time.
· Checkanswer
Try to every question.
· your answers if you have time at the end. Turn over
W39491A
©2010 Edexcel Limited.
*W39491A0120*
6/6/3

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Page 2

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GCSE Mathematics 2MB01
Formulae ­ Higher Tier
You must not write on this formulae page.
Anything you write on this formulae page will gain NO credit.…read more

Page 3

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Answer ALL questions.
Write your answers in the spaces provided.
You must write down all stages in your working.
1 The scatter diagram shows the height, in cm, and arm length, in cm, of some adults.
90
80
Arm length (cm) 70
60
50
150 160 170 180 190
Height (cm)
The table shows the height and the arm length of two more adults.
Height (cm) 175 163
Arm length (cm) 70 67
(a) On the scatter graph, plot the information from the table.…read more

Page 4

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Kalipha wants to find out how much time students spend using their computers.
He will use a questionnaire.
(a) Design a suitable question he could use on his questionnaire.
(2)
Kalipha stands outside a local supermarket at 9am on Friday.
He gives his questionnaire to the first 10 people going into the supermarket.
This may not produce a good sample for Kalipha's survey.
(b) Give two reasons why.
Reason 1
. . . . . . . . . . . . . . .…read more

Page 5

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The table shows the probability that a biased dice will land on 1 or on 3 or on 4 or on 6
Number 1 2 3 4 5 6
Probability 0.1 x 0.2 0.1 x 0.3
(a) Work out the value of x.
.................................................................
(3)
Paul is going to roll the dice 200 times.
(b) Work out an estimate for the number of times that the dice will land on a 3
.................................................................…read more

Page 6

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Here are the lengths, in mm, of some caterpillars.
15 14 10 9 21
23 24 30 32 8
17 14 13 18 22
16 20 31 8 9
In the space below, draw an ordered stem and leaf diagram for these lengths.…read more

Page 7

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Lesley is going to go on holiday.
She will travel by plane.
Lesley finds some information about three airlines.
Easyair Cheapfly Britair
Flight £225 Flight £74.98 Flight £104.88
Price includes Plus Plus
20 kg of luggage Taxes £29.97 Each 15 kg of luggage £25
and all taxes Check-in £20
Each 20 kg of luggage £36
Special Offer
1
Plus Plus
off the price of all 3% extra charge for credit 4.…read more

Page 8

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The table gives information about the times, in minutes, that 50 people waited to pay at
a supermarket check-out.
Time (t minutes) Frequency
0<t2 23
2<t4 9
4<t6 8
6<t8 6
8 < t 10 4
(a) Find the class interval that contains the median.
.................................................................
(1)
(b) Work out an estimate for the mean time.
................................................................…read more

Page 9

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Karen measured the heights of some students.
The table gives some information about her results.
Range of heights 39 cm
Height of tallest person 186 cm
Median height 167 cm
Lower quartile 159 cm
Interquartile range 18 cm
Use this information to draw a box plot for Karen's results.
140 150 160 170 180 190
Height (cm)
(Total for Question 8 is 3 marks)
9 Jenny invested £6500 for 3 years in a savings account.
She was paid 4% compound interest per year.…read more

Page 10

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A scatter diagram was drawn to show the relationship between the number of hours of
revision (x) and the number of marks (y) scored in an exam by some students.
The line of best fit has been drawn on the scatter graph.
60
50
40
Number
30
of marks
20
10
0
0 2 4 6 8 10
Number of hours of revision
Work out the gradient of the line of best fit.
.................................................................…read more

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