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A-Level Pearson Edexcel Level 3 GCE In Statistics (9ST0)advanced Paper 01: Data & Probability Summer Exam Paper (Authentic marking scheme attached)$9.67
, Answer ALL questions. Write your answers in the spaces provided.
1 The journey times of commuters for a selection of those travelling into two London
train stations are given in Figure 1 and Figure 2.
Journey times for London King's Cross
170
160
150
140
130
120
110
100
cumulative
frequency 90
80
70
60
50
40
30
20
10
0
30 35 40 45 50 55
time in minutes
Figure 1
2
*P69600RA0224*
, Question 1 continued
Journey time (min) for London Waterloo
10 20 30 40 50 60
Figure 2
These times are the time taken from leaving their house to arriving at their
destination station.
(a) Compare the average and spread of journey times for commuters travelling to these
two stations.
(6)
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3
*P69600RA0324* Turn over
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