2024 Pearson Edexcel GCSE (9 – 1) In Statistics (1ST0) Higher Paper 1H question paper and marking scheme (merged)

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Centre Number Candidate Number




Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Wednesday 5 June 2024
Afternoon (Time: 1 hour 30 minutes) Paper
reference 1ST0/1H
Statistics
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PAPER 1
Higher Tier


You must have: Total Marks
Ruler graduated in centimetres and millimetres, protractor,
pair of compasses, pen, HB pencil, eraser, scientific calculator.


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.
• Scientific calculators may be used.
• You must show all your working out with your answer clearly identified
at the end of your solution.

Information
• 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.
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, Higher Tier Formulae

You must not write on this page.




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Anything you write on this page will gain NO credit.


3(mean  median)
Skew =
standard deviation



1
Standard deviation = (x  x )2
n


An alternative formula for standard deviation is

 x2 x
2

standard deviation =  
n  n 
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
Spearman‟s rank correlation coefficient

6d 2
rs  1 
n(n2  1)
number of births  1000
Rates of change (e.g. Crude birth rate = )
total population




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2
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, Answer ALL questions.

Write your answers in the spaces provided.
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You must write down all the stages in your working.
1 The table gives the total labour force and the unemployment rate for the UK in 2017
and in 2018

Year Total labour force (million) Unemployment rate (%)

2017 33.80 4.38

2018 32.41 4.00

2019 34.04
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(Source: www.economicsonline.co.uk and www.ons.gov.uk)

In 2019 the total number of unemployed people was 1.29 million.
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Number of unemployed people
Unemployment rate = × 100
Total labour force

(a) (i) Using the formula above, work out the unemployment rate for the UK in 2019
Give your answer correct to 2 decimal places and write your answer in the table.
(2)




(ii) Using your answer to part (a)(i), what conclusion can be drawn about the
unemployment rate in the UK between 2017 and 2019?

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(1)
Bob says, without doing any calculations, that the total number of people unemployed
decreased from 2017 to 2018

(b) Using the data in the table, assess Bob‟s claim.

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(2)

(Total for Question 1 is 5 marks)

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, 2 A fjord is a deep and narrow part of a sea with steep land on three sides.
Emily is investigating the length of fjords in Norway.




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She collects some data from the internet and puts the data into a grouped
frequency table.

The grouped frequency table below shows information about the results she collected.


Length of fjord (l km) Frequency

0 l < 50 199

50 l < 100 17

100 l < 150 12

150 l < 200 3

200 l < 250 1




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(Source: https://en.wikipedia.org/wiki/List_of_Norwegian_fjords)

(a) Work out the number of fjords that have a length of at least 100 km.




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(2)
(b) (i) Calculate an estimate of the mean length of these fjords.
Give your answer to 1 decimal place.


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..... ............ ............ ............ ........... ... km
(3)




4
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