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Students learn about drawing histograms using frequency density from grouped data tables with unequal class widths.

- All students should understand the need for histograms with unequal class width and calculate the frequency density.
- Most students should understanding the need for and be able to plot histograms with unequal class widths.
- Some students should be able to compare data sets by plotting and interpreting histograms with unequal class widths.

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