Line graphs (Edexcel GCSE Maths): Flashcards
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Alternative name for line graph
Alternative name for line graph
Time series graph
Main purpose of line graphs
Main purpose of line graphs
Show how variables change over time
What y-axis shows on line graph
What y-axis shows on line graph
Variable that changes
What x-axis shows on line graph
What x-axis shows on line graph
Time units
Where MUST time be on line graphs?
Where MUST time be on line graphs?
Horizontal axis (x-axis)
Upward trend meaning
Upward trend meaning
Values increasing over time
Downward trend meaning
Downward trend meaning
Values decreasing over time
Flat trend meaning
Flat trend meaning
Values remain stable
Alternative name for vertical line graph
Alternative name for vertical line graph
Bar-line graph
What vertical line graphs use instead of bars
What vertical line graphs use instead of bars
Straight vertical lines
Mean formula from frequency data
Mean formula from frequency data
1st step: find mean from frequency data
1st step: find mean from frequency data
Multiply each value by its frequency
Last step: find mean from frequency data
Last step: find mean from frequency data
Divide total by total frequency
Required element for clarity of line graph
Required element for clarity of line graph
Clear title
Zigzag symbol on axis means
Zigzag symbol on axis means
Break in the axis