VCE General Maths Data Analysis 2018 Mini Test 1

VCAA General Maths Exam 2

This is the full VCE General Maths Exam with worked solutions. You can also try Mini-Tests, which are official VCAA exams split into short tests you can do anytime.

Number of marks: 8

Reading time: 2 minutes

Writing time: 12 minutes

Instructions
• Answer all questions in the spaces provided.
• Write your responses in English.
• In all questions where a numerical answer is required, you should only round your answer when instructed to do so.
• Unless otherwise indicated, the diagrams in this book are not drawn to scale.


Data analysis - 2018 - Exam 2 (Part 1)

Question 1 (8 marks) [2018 VCE Further Mathematics Exam 2 Q1]

Table 1

City Congestion
level
Size Increase in travel time
(minutes per day)
Belfasthighsmall52
Edinburghhighsmall43
Londonhighlarge40
Manchesterhighlarge44
Brighton and Hovehighsmall35
Bournemouthhighsmall36
Sheffieldmediumsmall36
Hullmediumsmall40
Bristolmediumsmall39
Newcastle-Sunderlandmediumlarge34
Leicestermediumsmall36
Liverpoolmediumlarge29
Swansealowsmall30
Glasgowlowlarge34
Cardifflowsmall31
Nottinghamlowsmall31
Birmingham-Wolverhamptonlowlarge29
Leeds-Bradfordlowlarge31
Portsmouthlowsmall27
Southamptonlowsmall30
Readinglowsmall31
Coventrylowsmall30
Stoke-on-Trentlowsmall29

The data in Table 1 on page 2 relates to the impact of traffic congestion in 2016 on travel times in 23 cities in the United Kingdom (UK).

The four variables in this data set are:

  • city – name of city
  • congestion level – traffic congestion level (high, medium, low)
  • size – size of city (large, small)
  • increase in travel time – increase in travel time due to traffic congestion (minutes per day).

a. How many variables in this data set are categorical variables? 1 mark

b. How many variables in this data set are ordinal variables? 1 mark

c. Name the large UK cities with a medium level of traffic congestion. 1 mark

d. Use the data in Table 1 to complete the following two-way frequency table, Table 2. 2 marks

Table 2

Congestion level City size
Small Large
high 4
medium
low
Total 16

e. What percentage of the small cities have a high level of traffic congestion? 1 mark

Traffic congestion can lead to an increase in travel times in cities. The dot plot and boxplot below both show the increase in travel time due to traffic congestion, in minutes per day, for the 23 UK cities.

Dot plot and boxplot of increase in travel time

f. Describe the shape of the distribution of the increase in travel time for the 23 cities. 1 mark

g. The data value 52 is below the upper fence and is not an outlier.
Determine the value of the upper fence. 1 mark


End of Multiple-Choice Question Book

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