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does anybody happen to have any notes on these? including histograms, mean = fx/x etc? thank you :)
well cumulative frequency is the frequency added up class by class and frequency density is frequency divided by class width
try this http://getrevising.co.uk/resources/histograms2
Modified once, last modified by Lauren Jade Tutchener on Sun 5th June, 2011 @ 16:24
very helpful, thanks!
on graphs, cumulative frequency: plot at TOP of range!
frequency: plot at MIDDLE of range!
on histograms: it's the area that determines the frequency :)