Statistical problems - data presentations
I can choose appropriate representations to explore a statistical problem.
Statistical problems - data presentations
I can choose appropriate representations to explore a statistical problem.
Lesson details
Key learning points
- Graphical representations should effectively represent the data.
- Some graphical representations are easier to understand than others.
- Graphical representations may be chosen to emphasise a particular conclusion.
Common misconception
You always need to start the axis of a scatter graph at (0,0).
The axis of a scatter graph should use a scale that makes the points as clear to see as possible, without distorting the shape of the data.
Keywords
Pictogram - A pictogram (pictograph) is a graph consisting of pictures to visually represent the frequency of objects or groups.
Bar chart - A bar chart (bar graph) is a graph consisting of bars visually representing the frequency of objects or groups.
Scatter graph - A visual representation for bivariate data. It can be useful when determining the nature of the relationship between two variables
Pie chart - A bar chart (bar graph) is a graph consisting of bars visually representing the frequency of objects or groups
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Video
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Starter quiz
6 Questions
represents frequencies with bars
represents frequencies with contextual images and a key
circular graph representing different groups proportionally
represents bivariate data as coordinates on a grid
Exit quiz
6 Questions
