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      Using data to support decision making

      Lesson details

      Learning outcome

      I can explain how visualising data can help identify patterns and trends to gain insights.

      Key learning points

      1. Data science is extracting meaning from large data sets to gain insights that support decision making.
      2. Data visualisations are visual representations of data such as charts and graphs.
      3. Infographics are visual representations of data, often involving pictures that reflect patterns and help tell a story.
      4. Some online tools can be used to create data visualisations.

      Keywords

      • Data science - extracting meaning from large data sets to gain insights that support decision making

      • Visualisation - a variety of techniques used to illustrate a problem and/or its solution to make it easier to understand

      • Infographic - visual representations of data, often involving pictures that reflect patterns and help tell a story

      • Insight - the actionable understanding gained from analysing data

      Common misconception

      The more data you include in a data visualisation, the better.

      Removing unneccesary data from a visualisation can improve the quality of a visualisation.

      Teacher tip

      A sample set of data for the visualisation activity is provided as an additional resource for this lesson.

      Equipment

      Pupils will need access to a device that can create visualisation of data. Examples in this lesson use Datawrapper https://oak.link/datawrapper

      Files needed for this lesson

      viewing-data 1.38 KB (CSV)

      school-litter 67.73 KB (PNG)

      Download these files to use in the lesson.

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      Match the term to its description:

      Correct Answer:spreadsheet,software for organising and analysing data

      software for organising and analysing data

      Correct Answer:infographic,combination of images and facts to present information

      combination of images and facts to present information

      Correct Answer:chart,visual display of numbers or information

      visual display of numbers or information

      Correct Answer:data collection,gathering information from various sources

      gathering information from various sources

      Q2.
      Which of the following is a type of chart you can create in a spreadsheet?

      Correct answer: bar chart
      word search
      crossword
      poem

      Q3.
      Put these steps in order for creating a chart in a spreadsheet:

      1 - enter data into cells
      2 - highlight the data
      3 - select 'Insert chart'
      4 - choose the chart type

      Q4.
      What is the main purpose of a graph in a spreadsheet?

      to decorate the page
      to write a story
      Correct answer: to show data visually
      to play music

      Q5.
      Where might you have seen an infographic before?

      in a textbook
      on a billboard
      on social media
      Correct answer: all of the above

      Q6.
      Arrange these actions to show how data can lead to personalised suggestions:

      1 - collect data about what you watch
      2 - analyse the data
      3 - suggest new content
      4 - user views content

      6 Questions

      Q1.
      What is the main goal of data science?

      to create colourful charts
      to write stories about numbers
      Correct answer: to extract meaning from large sets of data
      to make spreadsheets look interesting

      Q2.
      Why are visualisations like charts and graphs used when presenting data?

      they make documents longer
      Correct answer: they help to show patterns and trends clearly
      they are required in every report
      they use more colours

      Q3.
      What is the name for a visual representation that combines images and data to help explain patterns and tell a story?

      Correct Answer: Infographic, infographics, infographic

      Q4.
      Put these steps in order to create a basic data visualisation:

      1 - collect data
      2 - enter data into software
      3 - select the type of chart or graph
      4 - create the visualisation

      Q5.
      Why might removing unnecessary data from a visualisation be helpful?

      Correct answer: It helps viewers focus on the most important information.
      It makes the chart more colourful.
      It makes the data less accurate.
      It shortens the lesson.

      Q6.
      What is meant by the term “insight” in data science?

      the number of charts in a report
      the amount of data collected
      the colour used in a graph
      Correct answer: the understanding gained from analysing data

      To help you plan your 9 computing lesson on: Using data to support decision making, download all teaching resources for free and adapt to suit your pupils' needs...