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Data Analysis - Graphs - Coggle Diagram
Data Analysis - Graphs
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Scatter graph
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- Doesn't matter which co-variable goes on which axis
Bar Chart
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- Used when data is divided into separate categories (discrete data)
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Skewed distribution
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- Positive skew: difficult test, most score lowly but a handful at the higher end
- Mode remains the highest point
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- Mean dragged to the right
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- Mean is pulled to the left
- These both show how anomalies can affect the mean of a data set
