Broken-Line Graphs

Covers creating and interpreting broken-line graphs.

Grades 9 through 10 Material from CK-12

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Display numerical data in plots on a number line, including dot plots, histograms, and box plots.


Know that straight lines are widely used to model relationships between two quantitative variables. For scatter plots that suggest a linear association, informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line.