Every Graph Tells a Story - teachingcenter.wustl.edu
Transcript of Every Graph Tells a Story - teachingcenter.wustl.edu
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Every Graph Tells a Story(yeah every graph)
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Here’s a story …
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Here’s another…
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How to tell it…
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How to tell it…
What is this axis
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How to tell it…
What is this axis
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How to tell it… What does the SHAPE tell you?
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Do these data tell different stories?
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Do these data tell different stories?
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(… no, they’re the same. Check out the scale)
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What are most of us looking for…
What is the overall trend?
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What are most of us looking for…
Y-intercept value
Does it go to zero somewhere?
What is the overall trend?
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What are most of us looking for…
scale
Y-intercept value
Does it go to zero somewhere?
What is the overall trend?
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Sloped lines: What are most of us looking for…--what is the sign of the slope, positive or negative?--how steep is the line?