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Decide on whether or not you want to or need to plot all the data points. Select one of the variables and round its maximum up and round its minimum down. If the minimum is near zero then round it to zero. Divide the range = rounded max minus rounded min by 10. That is a suitable unit to use on the axis for that variable. Do the same with the other axis. You are then ready to go.

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7y ago
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Q: To graph a rate or ratio from the tablehow do you determine the scales to use on each axis?
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