Displaying Data (Grade 11 NSC Matric Mathematical Literacy): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Double bar graphs: bars per category
Double bar graphs: bars per category
Two bars side by side for each interval or category
Vertical stack bar graphs show
Vertical stack bar graphs show
Total for both categories combined and breakdown of each
Line graphs best for showing
Line graphs best for showing
How data changes over time and identifying trends
Scatter plots examine
Scatter plots examine
Relationships between two different variables
Positive correlation means
Positive correlation means
As one variable increases, the other also increases
Negative correlation means
Negative correlation means
As one variable increases, the other decreases
Strong correlation characteristic
Strong correlation characteristic
Clear pattern; points cluster closely around a line
Outliers are
Outliers are
Data points that don't fit the general pattern
Pupil-teacher ratio formula
Pupil-teacher ratio formula
rac{ ext{Number of pupils}}{ ext{Number of teachers}}
Double bar graphs: bar placement rule
Double bar graphs: bar placement rule
Bars must be side by side, never stacked on top