School transport 0 Overview Using this Resource Connecting to the Curriculum Marking Student Responses Working with Students Further Resources This task is about identifying incorrect features of a graph. Jody has drawn a bar graph to show the different ways people travel to and from school. Can you see the mistakes she has made? Question 2Change answer Write down five things that are incorrect with this graph. 1. 2. 3. 4. 5. Task administration: This task can be completed with pen and paper or online (with NO auto marking). Level: 3 Curriculum info: Maths, Statistics, Statistical literacy Keywords: bar graphs, graph interpretation Description of task: Students are asked to study a bar graph of ways to travel to school and write down five things that are wrong with the way the graph is set up. Learning Progression FrameworksThis resource can provide evidence of learning associated with Interpreting statistical and chance situations, sets 3-4 within the Mathematics Learning Progressions Frameworks.Read more about the Learning Progressions Frameworks. Answers/responses: Scoring: Y8 (03/2000) 5 marks(1 mark each) Any 1 of: • Bars different sizes/widths. • No title. • No labels on the x-axis. • No label on the y-axis. • The numbers on the y-axis - do not go up in even intervals (or in a pattern). - have numbers missing (1, 4, 5, 6, 8, 9). - only use some numbers (2, 3, 7, 10). - are not even. - are not correctly positioned. or other similar statements. • Bars touching. Also accept these missing features which could be added to the graph. • No arrow on the y-axis. • No category for "other". • No x or y written by the axes. • No 0 on the y-axis. 5 correct –very difficult 4 correct –very difficult 3 correct –moderate 2 correct –easy 1 correct –very easy Note: Do not accept more than one statement from each bulleted category. Diagnostic and formative information: Analysis of correct responses "Bars of different width" or "Walk is wider". (75%) "y-axis number is inappropriate". (50%) "No title". (20%) "No 0 on y-axis". (16%) Fewer than 5% mention other omissions. Common error "The bars should be in order (tallest to shortest)". Statements about what the graph means. Showing data using graphs
