what values are listed for the x-axis for a frequency polygon and for a cumulative frequency graph? class midpoint? upper class limit? lower class limit? frequency?
Added by Shawn P.
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Class midpoints are the average of the lower and upper class limits for each class interval. For a cumulative frequency graph (also known as an ogive), the x-axis represents the upper class limits. The upper class limit is the highest value that can be included Show more…
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