Scatter Plots. Standard: 8.SP.1 I can construct and interpret scatterplots.

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Presentation transcript:

Scatter Plots

Standard: 8.SP.1 I can construct and interpret scatterplots

Scatter Plots A graph of plotted points showing the relationship between two sets of data

Positive Correlation/ Positive Association When one value increases the other value increases Upward trend

Negative Correlation/ Negative Association When one variable increases the other variable decreases Downward trend

No Correlation / No Association There is no relationship between the two variables No trend

Outlier Random point Abnormal It does not fit It is outside of the trend

Cluster Points grouped together Close in value

Linear Association Points forming a line (close to a straight line)

Non-Linear Association Points does not form a straight line Contains a curve

Line of Best Fit / Trend line A straight line drawn through the center of the points Follows the trend of the points Used to make estimates

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