Algebra 1

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Algebra 1 Ch.6 Notes Page 45 P45 1-5 Scatter Plots
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Scatter Plots are...
Relationships between two sets of data.
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The Scatter Plot below shows data collected from
students about the score they earned on a test
verses how many hours they watched television the
pervious day.
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Make two Scatter Plots on the same graph.
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Trend Lines (Lines of Best Fit)
A Trend Line (or Line of Best Fit) shows a
correlation more clearly. About 1/2 of the points
should be above and 1/2 should be below.
A Trend Line (or Line of Best Fit) also
shows relative Strong or Weak Correlations.
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Example