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15 cards from this deck
Time series graph
Show how variables change over time
Variable that changes
Time units
Horizontal axis (x-axis)
Values increasing over time
Values decreasing over time
Values remain stable
Bar-line graph
Straight vertical lines
∑(f×x)∑f\frac{\sum(f \times x)}{\sum f}∑f∑(f×x)
Multiply each value by its frequency
Divide total by total frequency
Clear title
Break in the axis
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