Saturday, June 03, 2006

Cumulative Frequency, Median and Interquartile Range

A reminder on how to find Median, Interquartile Range using Cumulative frequency curves

Step 1

Step 2

Step 3



At April 16, 2007 1:24 pm, Anonymous Anonymous said...

Im in the middle of redoing my data handling coursework and came across this site and im finding it quite usefull, thank you

At September 09, 2009 8:09 pm, Anonymous Anonymous said...

Hi, I am in year 11 at another school. I found this site through google- it is helpful, thank you.
However, I am doing data handling coursework too at the moment and there is something I really need to know but cannot find the answer anywhere: when making a grouped frequency table, do the categories have to be the same size (e.g. 0-5, 5-10) or can they be different (e.g. 1-5, 5-15)? And if they are different sizes, what happens to the X-axis on the cumulative frequency graph (i.e. does it matter about the 'gaps' in size?)? Please reply if you can on here asap as I am desperate and my deadline's on friday!!


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