Saturday, May 3, 2008

Graphical Method of Presenting Data and Frequency

1. Histogram. Class boundaries (x) vs. class frequency (y)
2. Frequency Polygon. Class Mark (x) vs. class frequency (y)
3. Less than ogive, upper class limit (x) vs. less than cumulative frequency (y)
4. Greater than ogive. Lower class limit (x) vs. greater than cumulative frequency (y)

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