[Dirtyflanker]

Say you have the following data:

Sales Number of Days
1-300 190
301-501 80
etc.. etc..

...and you're asked to draw a histogram. For the 1-300 class bar, the class width is 300.5-0.5. So would you draw the bar's vertical lines at 300.5 and 0.5, or carry it o to 0. I would have thought you would have kept it at 0.5, as the area is proportional to frequency, but the example in the book extends it to 0 :/

Thanks

[Coursework.info]

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