percentage of error

red and white kop!

Junior Member
Joined
Jun 15, 2009
Messages
231
i just need a little reminder here
im supposed to calculate the percentage of error on an estimate made from a cumulative frequency graph. what values am i supposed to use? i am given a list of 30 values correct to 1 decimal place and must find the 12th highest from the cumulative frequency graph; i found 11.3. Where do i go from here to find this error percentage?
 
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