GCSE STATS Higher Paper1 and answers

GCSE STATS Higher Paper1 and answers

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Centre Paper Reference Surname Other Names
Number
Candidate Candidate Signature
Number
For
1389
Examiner's use
For Team
Edexcel GCSE Leader's use
Statistics
Paper 1H
HIGHER TIER
Specimen Paper
Time: 2 hours 30 minutes
Materials required for the examination Items included with these question papers
Ruler graduated in centimetres and Formulae sheet.
millimetres, protractor, compass, pen,
HB pencil, eraser, electronic calculator.
Instructions to Candidates
In the boxes above, write your centre number, candidate number, the paper reference, your surname and other
names and your signature. The paper reference is shown above.
Answer all questions in the spaces provided in this book.
Supplementary answer sheets may be used.
Information for Candidates
The total mark for this paper is 100.
The marks for the various parts of questions are shown in round brackets: e.g. (2).
This question paper has 9 questions in Section A and 8 questions in Section B.
Advice to Candidates
Work steadily through the paper.
Do not spend too long on one question.
Show all stages in any calculations.
If you cannot answer a question, leave it and attempt the next one.
Return at the end to those you have left out.
N0000
© 2003 Edexcel ­ GCSE Statistics Specimen Paper 1H
This publication may only be reproduced in accordance with Edexcel copyright policy.
Edexcel Foundation is a registered charity.

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Edexcel Foundation
GCSE Statistics
Formulae Sheet
Higher Tier
å fx
Mean of a frequency distribution = .
åf
Mean of a grouped frequency å fx
= , where x is the mid-interval value.…read more

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Write down your answers in the spaces provided.
You must write down all stages in your working.
Section A
Answer ALL NINE questions.
1. The sequences of numbers given below are taken from a random number table. It is to be
used to simulate ten throws of an unbiased six-sided die.
11 74 26 93 81 44 33 93 08 72 30 79 76 39
Describe the rule you would use for selecting the numbers showing on the die.
...............................................................................................................…read more

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3. In a study into smoking a doctor selected a sample of adult patients from those registered
with him and looked at their records to see to what degree they claimed to smoke.
(a) What is the population being studied?
..........................................................................................................
(1)
(b) If the doctor wished to get the number of males and the number of females in proportion
to the numbers on his register, what sampling method should he use?
..........................................................................................................…read more

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52.5
50
47.5
45
42.5
40
37.5
35
32.5
30
27.5
Grams
25
22.5
20
17.5
15
12.5
10
7.5
5
2.…read more

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5. The table shows the attitudes to the teaching of basic skills in State secondary schools in
1987. This was just before the national curriculum was introduced.
Attitudes to the teaching of basic skills in State
3.…read more

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The following statement is wrong:
"19% of those who said `very well' were 18 ­ 24 years old"
(c) Write down a correct version of this statement.
..........................................................................................................................................
...........................................................................................................................................
(1)
(d) Describe briefly what the table shows about how attitudes to the teaching of basic skills
in state secondary schools changes with age.
.............................................................................................................................................
..........................................................................................................................................
...........................................................................................................................................…read more

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6. The diagrams below show the distribution of the Golden Plover birds in the UK (Map A)
together with the maps B, C and D which show three possible factors that may influence
positively the distribution of Golden Plovers. Heavier shading implies greater density in
maps A and C, higher altitudes in map B and higher rainfall in map C.…read more

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7. The probability that a climber reaches the top of a particular crag when the ground is dry
underfoot is 4 5
. When the ground is wet underfoot, the probability that he reaches the top of
the crag is 10 . Past weather statistics from the crag show that the probability that it will be
1
wet underfoot on any particular day is 1 4
.
(a) Complete the tree diagram below.
Underfoot Climb
4 reaches the top
5
Dry
.......
.......…read more

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8. Mary is carrying out an investigation into the cost of food at her college canteen.
She asks people in the queue for canteen food
"Do you agree that canteen food is value for money?"
(a) Why is her sample of people likely to be biased?
...............................................................................................................................................
..............................................................................................................................................
(1)
(b) Why is her question biased?
............................................................................................................................................
(1)
(c) Suggest two reasons for her to carry out a pilot survey.
(i)........................................................................................................................................
(ii)...................................................................................................................................…read more

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