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Stem-and-leaf graphs: height

Learning objects Stem-and-leaf graphs: height

TLF ID L5914

Are 13-year-old boys taller than 13-year-old girls? Display the data in a back-to-back stem-and-leaf graph to investigate the truth of this conjecture. Identify the median for girls and boys and use the two means to help draw a conclusion about this question. Use the tutorial to show the features and uses of stem-and-leaf graphs. This learning object is one in a series of five learning objects.

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Educational details

Key learning objectives
  • Students interpret and explore two sets of data represented in back-to-back stem-and-leaf graphs.
  • Students use data and data handling processes to assist in identifying the truth behind a theory.
  • Students compare information derived from two data sets.
Educational value
  • Introduces students to the features and uses of back-to-back stem-and-leaf graphs.
  • Allows students to enter data in the construction of stem-and-leaf graphs.
  • Includes authentic data in the construction of back-to-back stem-and-leaf graphs.
  • Includes a tutorial about stem-and-leaf graphs that is accessible at all points throughout the activity.
  • Tests student understanding of information revealed by the data.
  • Dynamically displays and sorts data values on a back-to-back stem-and-leaf graph.
Year level

7

TopicsData analysis; Data collection; Median; Stem and leaf plots
Learning area
  • mathematics
Strand
  • Mathematics/Statistics and probability
    Concept
    • Mathematics/Bivariate data
    • Mathematics/Data analysis
    • Mathematics/Graphs
    Skill
    • Knowledge;
    • Comprehension;
    • Application;
    • Analysis
    Student activity
    • Interactives;
    • Experiment;
    • Analysis;
    • Data manipulation and interpretation;
    • Estimation
    Learning design
    • Experiential learning;
    • Independent learning;
    • Problem solving;
    • Visual learning

    Other details

    Contributors
    • Publisher
    • Date of contribution: 20 Sep 2013
    • Organisation: Education Services Australia
    • Address: Melbourne VIC 3000 Australia
    • URL: http://www.esa.edu.au/
    • Script writer
    • Name: Michael Wagner
    • Organisation: Godwin + Wagner
    • Address: Box Hill South Victoria 3128 Australia
    • URL: www.michaelwagner.com.au
    • Subject matter expert
    • Name: Howard Reeves
    • Address: Lindisfarne Tasmania 7015 Australia
    • Educational validator
    • Name: Graham Jones
    • Address: Gold Coast QLD Australia
    • Technical implementer
    • Organisation: CSIRO Publishing
    • Address: Collingwood Victoria 3066 Australia
    • URL: www.publish.csiro.au
    Access profile
    • Colour independence
    • Device independence
    • Hearing independence
    Learning resource type
    • Interactive Resource
    Browsers
    • Microsoft Internet Explorer - minimum version: 8.0 (MS-Windows) - maximum version: 9.0 (MS-Windows)
    • Firefox - minimum version: (MS-Windows)
    • Safari - minimum version: 5.1 (MacOS)
    Operating systems
    • MacOS - minimum version: 10.6
    • MS-Windows - minimum version: XP - maximum version: 7
    Rights
    • © Education Services Australia Ltd, 2013, except where indicated under Acknowledgements.

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