if the data includes fractions, include fractions as you write in the line plot numbers. for example, for a data set of 1, 1, 1, 1, 2, 2, 2, 3, 3,3,3, 4.5, 4.5, and 4.5, write the line plot as 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5. I attached an example that includes other fractions.
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