Scatter Plots
Published on Oct 09, 2017
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PRESENTATION OUTLINE
Scatter Plots:
- are collections of ordered pairs
- look like a bunch of dots
- can tell us how two things are related (or unrelated)
Photo by Matt Biddulph
Positive Correlation
- If the x-coordinates and the y-coordinates both increase, then it is POSITIVE CORRELATION.
- This means that both are going up, and they are related.
Negative Correlation
- If the x-coordinates and the y-coordinates have one increasing and one decreasing, then it is NEGATIVE CORRELATION
- This means that 1 is going up and 1 is going down, making a downhill graph. This means the two are related as opposites.
No Correlation
- If there seems to be no pattern, and the points looked scattered, then it is no correlation.
- This means the two are not related.
