Representing, Interpreting, and Analysing Data (Grade 12 NSC Matric Mathematical Literacy): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
What are graphs?
What are graphs?
Visual tools to explore, display & report data effectively
Six main types of graphs
Six main types of graphs
Line, bar, histogram, scatter plot, pie chart, box & whisker
What do line graphs show?
What do line graphs show?
Change over time by connecting data points with straight lines
Key feature of bar graphs
Key feature of bar graphs
Spaces between bars that separate distinct categories
Key feature of histograms
Key feature of histograms
No spaces between bars; shows continuous data in intervals
Pie chart percentages must total
Pie chart percentages must total
100%
What do scatter plots reveal?
What do scatter plots reveal?
Relationships (correlations) between two variables
Define positive correlation
Define positive correlation
As one variable increases, the other also increases
Define negative correlation
Define negative correlation
As one variable increases, the other decreases
What do box & whisker plots show?
What do box & whisker plots show?
Five-number summary: min, Q₁, median, Q₃, max